Home / 56,151.90-77,426.69-38,257.38

Finding the Fourth Proportional to 56,151.90, 77,426.69 and 38,257.38

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Solution

The fourth proportional to 56,151.90, 77,426.69 and 38,257.38 is: 52,752.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,151.90 : 77,426.69 = 38,257.38 : x
  2. Step 2: Convert to fraction form
    56,151.90/77,426.69 = 38,257.38/x
  3. Step 3: Cross multiply
    56,151.90x = 77,426.69 × 38,257.38
  4. Step 4: Simplify right side
    56,151.90x = 2,962,142,110.19
  5. Step 5: Solve for x
    x = 2,962,142,110.19/56,151.90
  6. Step 6: Final answer
    x = 52,752.30

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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.