Home / 39,070.74-53,874.20-28,294.30

Finding the Fourth Proportional to 39,070.74, 53,874.20 and 28,294.30

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Solution

The fourth proportional to 39,070.74, 53,874.20 and 28,294.30 is: 39,014.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,070.74 : 53,874.20 = 28,294.30 : x
  2. Step 2: Convert to fraction form
    39,070.74/53,874.20 = 28,294.30/x
  3. Step 3: Cross multiply
    39,070.74x = 53,874.20 × 28,294.30
  4. Step 4: Simplify right side
    39,070.74x = 1,524,332,500.90
  5. Step 5: Solve for x
    x = 1,524,332,500.90/39,070.74
  6. Step 6: Final answer
    x = 39,014.68

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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.