Home / 31,503.65-47,264.69-9,317.61

Finding the Fourth Proportional to 31,503.65, 47,264.69 and 9,317.61

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Solution

The fourth proportional to 31,503.65, 47,264.69 and 9,317.61 is: 13,979.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,503.65 : 47,264.69 = 9,317.61 : x
  2. Step 2: Convert to fraction form
    31,503.65/47,264.69 = 9,317.61/x
  3. Step 3: Cross multiply
    31,503.65x = 47,264.69 × 9,317.61
  4. Step 4: Simplify right side
    31,503.65x = 440,393,971.48
  5. Step 5: Solve for x
    x = 440,393,971.48/31,503.65
  6. Step 6: Final answer
    x = 13,979.14

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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.