Home / 42,381.80-63,528.39-14,292.15

Finding the Fourth Proportional to 42,381.80, 63,528.39 and 14,292.15

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Solution

The fourth proportional to 42,381.80, 63,528.39 and 14,292.15 is: 21,423.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,381.80 : 63,528.39 = 14,292.15 : x
  2. Step 2: Convert to fraction form
    42,381.80/63,528.39 = 14,292.15/x
  3. Step 3: Cross multiply
    42,381.80x = 63,528.39 × 14,292.15
  4. Step 4: Simplify right side
    42,381.80x = 907,957,279.14
  5. Step 5: Solve for x
    x = 907,957,279.14/42,381.80
  6. Step 6: Final answer
    x = 21,423.28

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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.