Home / 31,694.10-47,549.25-11,972.76

Finding the Fourth Proportional to 31,694.10, 47,549.25 and 11,972.76

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Solution

The fourth proportional to 31,694.10, 47,549.25 and 11,972.76 is: 17,962.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,694.10 : 47,549.25 = 11,972.76 : x
  2. Step 2: Convert to fraction form
    31,694.10/47,549.25 = 11,972.76/x
  3. Step 3: Cross multiply
    31,694.10x = 47,549.25 × 11,972.76
  4. Step 4: Simplify right side
    31,694.10x = 569,295,758.43
  5. Step 5: Solve for x
    x = 569,295,758.43/31,694.10
  6. Step 6: Final answer
    x = 17,962.20

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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.