Home / 55,638.84-76,789.43-31,766.92

Finding the Fourth Proportional to 55,638.84, 76,789.43 and 31,766.92

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Solution

The fourth proportional to 55,638.84, 76,789.43 and 31,766.92 is: 43,842.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,638.84 : 76,789.43 = 31,766.92 : x
  2. Step 2: Convert to fraction form
    55,638.84/76,789.43 = 31,766.92/x
  3. Step 3: Cross multiply
    55,638.84x = 76,789.43 × 31,766.92
  4. Step 4: Simplify right side
    55,638.84x = 2,439,363,679.66
  5. Step 5: Solve for x
    x = 2,439,363,679.66/55,638.84
  6. Step 6: Final answer
    x = 43,842.82

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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.