Home / 31,437.17-47,158.83-11,452.09

Finding the Fourth Proportional to 31,437.17, 47,158.83 and 11,452.09

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Solution

The fourth proportional to 31,437.17, 47,158.83 and 11,452.09 is: 17,179.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,437.17 : 47,158.83 = 11,452.09 : x
  2. Step 2: Convert to fraction form
    31,437.17/47,158.83 = 11,452.09/x
  3. Step 3: Cross multiply
    31,437.17x = 47,158.83 × 11,452.09
  4. Step 4: Simplify right side
    31,437.17x = 540,067,165.45
  5. Step 5: Solve for x
    x = 540,067,165.45/31,437.17
  6. Step 6: Final answer
    x = 17,179.26

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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.