Home / 31,569.12-47,345.49-9,377.46

Finding the Fourth Proportional to 31,569.12, 47,345.49 and 9,377.46

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Solution

The fourth proportional to 31,569.12, 47,345.49 and 9,377.46 is: 14,063.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,569.12 : 47,345.49 = 9,377.46 : x
  2. Step 2: Convert to fraction form
    31,569.12/47,345.49 = 9,377.46/x
  3. Step 3: Cross multiply
    31,569.12x = 47,345.49 × 9,377.46
  4. Step 4: Simplify right side
    31,569.12x = 443,980,438.66
  5. Step 5: Solve for x
    x = 443,980,438.66/31,569.12
  6. Step 6: Final answer
    x = 14,063.76

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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.