Home / 39,659.10-54,747.16-25,337.76

Finding the Fourth Proportional to 39,659.10, 54,747.16 and 25,337.76

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Solution

The fourth proportional to 39,659.10, 54,747.16 and 25,337.76 is: 34,977.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,659.10 : 54,747.16 = 25,337.76 : x
  2. Step 2: Convert to fraction form
    39,659.10/54,747.16 = 25,337.76/x
  3. Step 3: Cross multiply
    39,659.10x = 54,747.16 × 25,337.76
  4. Step 4: Simplify right side
    39,659.10x = 1,387,170,400.76
  5. Step 5: Solve for x
    x = 1,387,170,400.76/39,659.10
  6. Step 6: Final answer
    x = 34,977.35

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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.