Home / 60,915.28-91,372.52-31,341.36

Finding the Fourth Proportional to 60,915.28, 91,372.52 and 31,341.36

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Solution

The fourth proportional to 60,915.28, 91,372.52 and 31,341.36 is: 47,011.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,915.28 : 91,372.52 = 31,341.36 : x
  2. Step 2: Convert to fraction form
    60,915.28/91,372.52 = 31,341.36/x
  3. Step 3: Cross multiply
    60,915.28x = 91,372.52 × 31,341.36
  4. Step 4: Simplify right side
    60,915.28x = 2,863,739,043.43
  5. Step 5: Solve for x
    x = 2,863,739,043.43/60,915.28
  6. Step 6: Final answer
    x = 47,011.83

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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.