Home / 39,854.56-59,785.34-10,272.35

Finding the Fourth Proportional to 39,854.56, 59,785.34 and 10,272.35

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Solution

The fourth proportional to 39,854.56, 59,785.34 and 10,272.35 is: 15,409.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,854.56 : 59,785.34 = 10,272.35 : x
  2. Step 2: Convert to fraction form
    39,854.56/59,785.34 = 10,272.35/x
  3. Step 3: Cross multiply
    39,854.56x = 59,785.34 × 10,272.35
  4. Step 4: Simplify right side
    39,854.56x = 614,135,937.35
  5. Step 5: Solve for x
    x = 614,135,937.35/39,854.56
  6. Step 6: Final answer
    x = 15,409.43

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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.