Home / 42,430.18-58,554.57-23,310.20

Finding the Fourth Proportional to 42,430.18, 58,554.57 and 23,310.20

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Solution

The fourth proportional to 42,430.18, 58,554.57 and 23,310.20 is: 32,168.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,430.18 : 58,554.57 = 23,310.20 : x
  2. Step 2: Convert to fraction form
    42,430.18/58,554.57 = 23,310.20/x
  3. Step 3: Cross multiply
    42,430.18x = 58,554.57 × 23,310.20
  4. Step 4: Simplify right side
    42,430.18x = 1,364,918,444.84
  5. Step 5: Solve for x
    x = 1,364,918,444.84/42,430.18
  6. Step 6: Final answer
    x = 32,168.58

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Double scale
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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.