Home / 39,745.72-59,618.54-14,785.20

Finding the Fourth Proportional to 39,745.72, 59,618.54 and 14,785.20

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Solution

The fourth proportional to 39,745.72, 59,618.54 and 14,785.20 is: 22,177.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,745.72 : 59,618.54 = 14,785.20 : x
  2. Step 2: Convert to fraction form
    39,745.72/59,618.54 = 14,785.20/x
  3. Step 3: Cross multiply
    39,745.72x = 59,618.54 × 14,785.20
  4. Step 4: Simplify right side
    39,745.72x = 881,472,037.61
  5. Step 5: Solve for x
    x = 881,472,037.61/39,745.72
  6. Step 6: Final answer
    x = 22,177.79

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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.