Home / 31,566.16-47,358.12-9,379.95

Finding the Fourth Proportional to 31,566.16, 47,358.12 and 9,379.95

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Solution

The fourth proportional to 31,566.16, 47,358.12 and 9,379.95 is: 14,072.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,566.16 : 47,358.12 = 9,379.95 : x
  2. Step 2: Convert to fraction form
    31,566.16/47,358.12 = 9,379.95/x
  3. Step 3: Cross multiply
    31,566.16x = 47,358.12 × 9,379.95
  4. Step 4: Simplify right side
    31,566.16x = 444,216,868.90
  5. Step 5: Solve for x
    x = 444,216,868.90/31,566.16
  6. Step 6: Final answer
    x = 14,072.57

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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.