Home / 58,711.28-81,020.52-31,853.84

Finding the Fourth Proportional to 58,711.28, 81,020.52 and 31,853.84

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Solution

The fourth proportional to 58,711.28, 81,020.52 and 31,853.84 is: 43,957.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,711.28 : 81,020.52 = 31,853.84 : x
  2. Step 2: Convert to fraction form
    58,711.28/81,020.52 = 31,853.84/x
  3. Step 3: Cross multiply
    58,711.28x = 81,020.52 × 31,853.84
  4. Step 4: Simplify right side
    58,711.28x = 2,580,814,680.80
  5. Step 5: Solve for x
    x = 2,580,814,680.80/58,711.28
  6. Step 6: Final answer
    x = 43,957.73

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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.