Home / 31,437.54-47,159.39-11,452.46

Finding the Fourth Proportional to 31,437.54, 47,159.39 and 11,452.46

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Solution

The fourth proportional to 31,437.54, 47,159.39 and 11,452.46 is: 17,179.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,437.54 : 47,159.39 = 11,452.46 : x
  2. Step 2: Convert to fraction form
    31,437.54/47,159.39 = 11,452.46/x
  3. Step 3: Cross multiply
    31,437.54x = 47,159.39 × 11,452.46
  4. Step 4: Simplify right side
    31,437.54x = 540,091,174.13
  5. Step 5: Solve for x
    x = 540,091,174.13/31,437.54
  6. Step 6: Final answer
    x = 17,179.82

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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.