Home / 56,412.38-77,854.54-31,261.88

Finding the Fourth Proportional to 56,412.38, 77,854.54 and 31,261.88

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Solution

The fourth proportional to 56,412.38, 77,854.54 and 31,261.88 is: 43,144.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,412.38 : 77,854.54 = 31,261.88 : x
  2. Step 2: Convert to fraction form
    56,412.38/77,854.54 = 31,261.88/x
  3. Step 3: Cross multiply
    56,412.38x = 77,854.54 × 31,261.88
  4. Step 4: Simplify right side
    56,412.38x = 2,433,879,286.94
  5. Step 5: Solve for x
    x = 2,433,879,286.94/56,412.38
  6. Step 6: Final answer
    x = 43,144.42

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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.