Home / 39,616.44-59,425.14-13,321.08

Finding the Fourth Proportional to 39,616.44, 59,425.14 and 13,321.08

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Solution

The fourth proportional to 39,616.44, 59,425.14 and 13,321.08 is: 19,981.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,616.44 : 59,425.14 = 13,321.08 : x
  2. Step 2: Convert to fraction form
    39,616.44/59,425.14 = 13,321.08/x
  3. Step 3: Cross multiply
    39,616.44x = 59,425.14 × 13,321.08
  4. Step 4: Simplify right side
    39,616.44x = 791,607,043.95
  5. Step 5: Solve for x
    x = 791,607,043.95/39,616.44
  6. Step 6: Final answer
    x = 19,981.78

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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.