Home / 42,135.77-58,147.33-23,272.90

Finding the Fourth Proportional to 42,135.77, 58,147.33 and 23,272.90

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Solution

The fourth proportional to 42,135.77, 58,147.33 and 23,272.90 is: 32,116.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,135.77 : 58,147.33 = 23,272.90 : x
  2. Step 2: Convert to fraction form
    42,135.77/58,147.33 = 23,272.90/x
  3. Step 3: Cross multiply
    42,135.77x = 58,147.33 × 23,272.90
  4. Step 4: Simplify right side
    42,135.77x = 1,353,256,996.36
  5. Step 5: Solve for x
    x = 1,353,256,996.36/42,135.77
  6. Step 6: Final answer
    x = 32,116.58

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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.