Home / 36,284.38-54,426.84-9,990.57

Finding the Fourth Proportional to 36,284.38, 54,426.84 and 9,990.57

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Solution

The fourth proportional to 36,284.38, 54,426.84 and 9,990.57 is: 14,985.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,284.38 : 54,426.84 = 9,990.57 : x
  2. Step 2: Convert to fraction form
    36,284.38/54,426.84 = 9,990.57/x
  3. Step 3: Cross multiply
    36,284.38x = 54,426.84 × 9,990.57
  4. Step 4: Simplify right side
    36,284.38x = 543,755,154.90
  5. Step 5: Solve for x
    x = 543,755,154.90/36,284.38
  6. Step 6: Final answer
    x = 14,985.93

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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.