Home / 42,343.28-63,514.95-10,755.71

Finding the Fourth Proportional to 42,343.28, 63,514.95 and 10,755.71

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Solution

The fourth proportional to 42,343.28, 63,514.95 and 10,755.71 is: 16,133.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,343.28 : 63,514.95 = 10,755.71 : x
  2. Step 2: Convert to fraction form
    42,343.28/63,514.95 = 10,755.71/x
  3. Step 3: Cross multiply
    42,343.28x = 63,514.95 × 10,755.71
  4. Step 4: Simplify right side
    42,343.28x = 683,148,329.09
  5. Step 5: Solve for x
    x = 683,148,329.09/42,343.28
  6. Step 6: Final answer
    x = 16,133.57

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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.