Home / 42,431.43-58,556.30-23,311.45

Finding the Fourth Proportional to 42,431.43, 58,556.30 and 23,311.45

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Solution

The fourth proportional to 42,431.43, 58,556.30 and 23,311.45 is: 32,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,431.43 : 58,556.30 = 23,311.45 : x
  2. Step 2: Convert to fraction form
    42,431.43/58,556.30 = 23,311.45/x
  3. Step 3: Cross multiply
    42,431.43x = 58,556.30 × 23,311.45
  4. Step 4: Simplify right side
    42,431.43x = 1,365,031,850.30
  5. Step 5: Solve for x
    x = 1,365,031,850.30/42,431.43
  6. Step 6: Final answer
    x = 32,170.30

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Half scale
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Double scale
Find fourth proportional to 42,432.43, 58,557.68 and 23,312.45
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.