Home / 31,475.97-47,199.83-9,281.57

Finding the Fourth Proportional to 31,475.97, 47,199.83 and 9,281.57

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Solution

The fourth proportional to 31,475.97, 47,199.83 and 9,281.57 is: 13,918.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,475.97 : 47,199.83 = 9,281.57 : x
  2. Step 2: Convert to fraction form
    31,475.97/47,199.83 = 9,281.57/x
  3. Step 3: Cross multiply
    31,475.97x = 47,199.83 × 9,281.57
  4. Step 4: Simplify right side
    31,475.97x = 438,088,243.73
  5. Step 5: Solve for x
    x = 438,088,243.73/31,475.97
  6. Step 6: Final answer
    x = 13,918.18

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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.