Home / 56,412.18-77,757.45-38,256.90

Finding the Fourth Proportional to 56,412.18, 77,757.45 and 38,256.90

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Solution

The fourth proportional to 56,412.18, 77,757.45 and 38,256.90 is: 52,732.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,412.18 : 77,757.45 = 38,256.90 : x
  2. Step 2: Convert to fraction form
    56,412.18/77,757.45 = 38,256.90/x
  3. Step 3: Cross multiply
    56,412.18x = 77,757.45 × 38,256.90
  4. Step 4: Simplify right side
    56,412.18x = 2,974,758,988.91
  5. Step 5: Solve for x
    x = 2,974,758,988.91/56,412.18
  6. Step 6: Final answer
    x = 52,732.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.