Home / 36,972.80-55,463.28-13,599.20

Finding the Fourth Proportional to 36,972.80, 55,463.28 and 13,599.20

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Solution

The fourth proportional to 36,972.80, 55,463.28 and 13,599.20 is: 20,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,972.80 : 55,463.28 = 13,599.20 : x
  2. Step 2: Convert to fraction form
    36,972.80/55,463.28 = 13,599.20/x
  3. Step 3: Cross multiply
    36,972.80x = 55,463.28 × 13,599.20
  4. Step 4: Simplify right side
    36,972.80x = 754,256,237.38
  5. Step 5: Solve for x
    x = 754,256,237.38/36,972.80
  6. Step 6: Final answer
    x = 20,400.30

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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.