Home / 31,500.14-47,251.12-11,774.92

Finding the Fourth Proportional to 31,500.14, 47,251.12 and 11,774.92

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Solution

The fourth proportional to 31,500.14, 47,251.12 and 11,774.92 is: 17,662.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,500.14 : 47,251.12 = 11,774.92 : x
  2. Step 2: Convert to fraction form
    31,500.14/47,251.12 = 11,774.92/x
  3. Step 3: Cross multiply
    31,500.14x = 47,251.12 × 11,774.92
  4. Step 4: Simplify right side
    31,500.14x = 556,378,157.91
  5. Step 5: Solve for x
    x = 556,378,157.91/31,500.14
  6. Step 6: Final answer
    x = 17,662.72

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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.