Home / 39,447.28-59,170.92-13,152.52

Finding the Fourth Proportional to 39,447.28, 59,170.92 and 13,152.52

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Solution

The fourth proportional to 39,447.28, 59,170.92 and 13,152.52 is: 19,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,447.28 : 59,170.92 = 13,152.52 : x
  2. Step 2: Convert to fraction form
    39,447.28/59,170.92 = 13,152.52/x
  3. Step 3: Cross multiply
    39,447.28x = 59,170.92 × 13,152.52
  4. Step 4: Simplify right side
    39,447.28x = 778,246,708.72
  5. Step 5: Solve for x
    x = 778,246,708.72/39,447.28
  6. Step 6: Final answer
    x = 19,728.78

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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.