Home / 31,456.12-47,116.12-14,791.18

Finding the Fourth Proportional to 31,456.12, 47,116.12 and 14,791.18

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Solution

The fourth proportional to 31,456.12, 47,116.12 and 14,791.18 is: 22,154.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,456.12 : 47,116.12 = 14,791.18 : x
  2. Step 2: Convert to fraction form
    31,456.12/47,116.12 = 14,791.18/x
  3. Step 3: Cross multiply
    31,456.12x = 47,116.12 × 14,791.18
  4. Step 4: Simplify right side
    31,456.12x = 696,903,011.82
  5. Step 5: Solve for x
    x = 696,903,011.82/31,456.12
  6. Step 6: Final answer
    x = 22,154.77

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1.5x scale

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.