Home / 61,380.28-92,156.58-31,415.92

Finding the Fourth Proportional to 61,380.28, 92,156.58 and 31,415.92

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Solution

The fourth proportional to 61,380.28, 92,156.58 and 31,415.92 is: 47,167.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,380.28 : 92,156.58 = 31,415.92 : x
  2. Step 2: Convert to fraction form
    61,380.28/92,156.58 = 31,415.92/x
  3. Step 3: Cross multiply
    61,380.28x = 92,156.58 × 31,415.92
  4. Step 4: Simplify right side
    61,380.28x = 2,895,183,744.75
  5. Step 5: Solve for x
    x = 2,895,183,744.75/61,380.28
  6. Step 6: Final answer
    x = 47,167.98

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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.