Home / 31,342.72-46,981.11-10,277.30

Finding the Fourth Proportional to 31,342.72, 46,981.11 and 10,277.30

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Solution

The fourth proportional to 31,342.72, 46,981.11 and 10,277.30 is: 15,405.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,342.72 : 46,981.11 = 10,277.30 : x
  2. Step 2: Convert to fraction form
    31,342.72/46,981.11 = 10,277.30/x
  3. Step 3: Cross multiply
    31,342.72x = 46,981.11 × 10,277.30
  4. Step 4: Simplify right side
    31,342.72x = 482,838,961.80
  5. Step 5: Solve for x
    x = 482,838,961.80/31,342.72
  6. Step 6: Final answer
    x = 15,405.14

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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.