Home / 39,301.24-54,229.60-22,531

Finding the Fourth Proportional to 39,301.24, 54,229.60 and 22,531

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Solution

The fourth proportional to 39,301.24, 54,229.60 and 22,531 is: 31,089.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,301.24 : 54,229.60 = 22,531 : x
  2. Step 2: Convert to fraction form
    39,301.24/54,229.60 = 22,531/x
  3. Step 3: Cross multiply
    39,301.24x = 54,229.60 × 22,531
  4. Step 4: Simplify right side
    39,301.24x = 1,221,847,117.60
  5. Step 5: Solve for x
    x = 1,221,847,117.60/39,301.24
  6. Step 6: Final answer
    x = 31,089.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.