Home / 31,542.56-47,298.16-18,398.24

Finding the Fourth Proportional to 31,542.56, 47,298.16 and 18,398.24

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Solution

The fourth proportional to 31,542.56, 47,298.16 and 18,398.24 is: 27,588.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,542.56 : 47,298.16 = 18,398.24 : x
  2. Step 2: Convert to fraction form
    31,542.56/47,298.16 = 18,398.24/x
  3. Step 3: Cross multiply
    31,542.56x = 47,298.16 × 18,398.24
  4. Step 4: Simplify right side
    31,542.56x = 870,202,899.24
  5. Step 5: Solve for x
    x = 870,202,899.24/31,542.56
  6. Step 6: Final answer
    x = 27,588.21

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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.