Home / 39,127.80-54,004.14-25,701.24

Finding the Fourth Proportional to 39,127.80, 54,004.14 and 25,701.24

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Solution

The fourth proportional to 39,127.80, 54,004.14 and 25,701.24 is: 35,472.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,127.80 : 54,004.14 = 25,701.24 : x
  2. Step 2: Convert to fraction form
    39,127.80/54,004.14 = 25,701.24/x
  3. Step 3: Cross multiply
    39,127.80x = 54,004.14 × 25,701.24
  4. Step 4: Simplify right side
    39,127.80x = 1,387,973,363.13
  5. Step 5: Solve for x
    x = 1,387,973,363.13/39,127.80
  6. Step 6: Final answer
    x = 35,472.82

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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.