Home / 31,373.12-47,042.40-16,579.52

Finding the Fourth Proportional to 31,373.12, 47,042.40 and 16,579.52

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Solution

The fourth proportional to 31,373.12, 47,042.40 and 16,579.52 is: 24,860.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,373.12 : 47,042.40 = 16,579.52 : x
  2. Step 2: Convert to fraction form
    31,373.12/47,042.40 = 16,579.52/x
  3. Step 3: Cross multiply
    31,373.12x = 47,042.40 × 16,579.52
  4. Step 4: Simplify right side
    31,373.12x = 779,940,411.65
  5. Step 5: Solve for x
    x = 779,940,411.65/31,373.12
  6. Step 6: Final answer
    x = 24,860.15

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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.