Home / 42,851.29-64,147.21-38,902.54

Finding the Fourth Proportional to 42,851.29, 64,147.21 and 38,902.54

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Solution

The fourth proportional to 42,851.29, 64,147.21 and 38,902.54 is: 58,236.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,851.29 : 64,147.21 = 38,902.54 : x
  2. Step 2: Convert to fraction form
    42,851.29/64,147.21 = 38,902.54/x
  3. Step 3: Cross multiply
    42,851.29x = 64,147.21 × 38,902.54
  4. Step 4: Simplify right side
    42,851.29x = 2,495,489,402.91
  5. Step 5: Solve for x
    x = 2,495,489,402.91/42,851.29
  6. Step 6: Final answer
    x = 58,236.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.