Home / 55,446.30-76,520.39-31,248.90

Finding the Fourth Proportional to 55,446.30, 76,520.39 and 31,248.90

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Solution

The fourth proportional to 55,446.30, 76,520.39 and 31,248.90 is: 43,126.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,446.30 : 76,520.39 = 31,248.90 : x
  2. Step 2: Convert to fraction form
    55,446.30/76,520.39 = 31,248.90/x
  3. Step 3: Cross multiply
    55,446.30x = 76,520.39 × 31,248.90
  4. Step 4: Simplify right side
    55,446.30x = 2,391,177,858.83
  5. Step 5: Solve for x
    x = 2,391,177,858.83/55,446.30
  6. Step 6: Final answer
    x = 43,126.01

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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.