Home / 31,468.10-47,159.62-17,427.56

Finding the Fourth Proportional to 31,468.10, 47,159.62 and 17,427.56

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Solution

The fourth proportional to 31,468.10, 47,159.62 and 17,427.56 is: 26,117.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,468.10 : 47,159.62 = 17,427.56 : x
  2. Step 2: Convert to fraction form
    31,468.10/47,159.62 = 17,427.56/x
  3. Step 3: Cross multiply
    31,468.10x = 47,159.62 × 17,427.56
  4. Step 4: Simplify right side
    31,468.10x = 821,876,827.76
  5. Step 5: Solve for x
    x = 821,876,827.76/31,468.10
  6. Step 6: Final answer
    x = 26,117.78

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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.