Home / 57,031.31-85,489.56-23,769.79

Finding the Fourth Proportional to 57,031.31, 85,489.56 and 23,769.79

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Solution

The fourth proportional to 57,031.31, 85,489.56 and 23,769.79 is: 35,630.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,031.31 : 85,489.56 = 23,769.79 : x
  2. Step 2: Convert to fraction form
    57,031.31/85,489.56 = 23,769.79/x
  3. Step 3: Cross multiply
    57,031.31x = 85,489.56 × 23,769.79
  4. Step 4: Simplify right side
    57,031.31x = 2,032,068,674.67
  5. Step 5: Solve for x
    x = 2,032,068,674.67/57,031.31
  6. Step 6: Final answer
    x = 35,630.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.