Home / 31,977.40-47,951.50-15,345.26

Finding the Fourth Proportional to 31,977.40, 47,951.50 and 15,345.26

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Solution

The fourth proportional to 31,977.40, 47,951.50 and 15,345.26 is: 23,010.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,977.40 : 47,951.50 = 15,345.26 : x
  2. Step 2: Convert to fraction form
    31,977.40/47,951.50 = 15,345.26/x
  3. Step 3: Cross multiply
    31,977.40x = 47,951.50 × 15,345.26
  4. Step 4: Simplify right side
    31,977.40x = 735,828,234.89
  5. Step 5: Solve for x
    x = 735,828,234.89/31,977.40
  6. Step 6: Final answer
    x = 23,010.88

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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.