Home / 31,631.24-47,449.12-9,442.82

Finding the Fourth Proportional to 31,631.24, 47,449.12 and 9,442.82

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Solution

The fourth proportional to 31,631.24, 47,449.12 and 9,442.82 is: 14,164.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,631.24 : 47,449.12 = 9,442.82 : x
  2. Step 2: Convert to fraction form
    31,631.24/47,449.12 = 9,442.82/x
  3. Step 3: Cross multiply
    31,631.24x = 47,449.12 × 9,442.82
  4. Step 4: Simplify right side
    31,631.24x = 448,053,499.32
  5. Step 5: Solve for x
    x = 448,053,499.32/31,631.24
  6. Step 6: Final answer
    x = 14,164.90

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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.