Home / 39,305.49-54,242.89-22,080.87

Finding the Fourth Proportional to 39,305.49, 54,242.89 and 22,080.87

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Solution

The fourth proportional to 39,305.49, 54,242.89 and 22,080.87 is: 30,472.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,305.49 : 54,242.89 = 22,080.87 : x
  2. Step 2: Convert to fraction form
    39,305.49/54,242.89 = 22,080.87/x
  3. Step 3: Cross multiply
    39,305.49x = 54,242.89 × 22,080.87
  4. Step 4: Simplify right side
    39,305.49x = 1,197,730,438.25
  5. Step 5: Solve for x
    x = 1,197,730,438.25/39,305.49
  6. Step 6: Final answer
    x = 30,472.35

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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.