Home / 39,659.85-54,715.50-25,320.22

Finding the Fourth Proportional to 39,659.85, 54,715.50 and 25,320.22

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Solution

The fourth proportional to 39,659.85, 54,715.50 and 25,320.22 is: 34,932.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,659.85 : 54,715.50 = 25,320.22 : x
  2. Step 2: Convert to fraction form
    39,659.85/54,715.50 = 25,320.22/x
  3. Step 3: Cross multiply
    39,659.85x = 54,715.50 × 25,320.22
  4. Step 4: Simplify right side
    39,659.85x = 1,385,408,360.62
  5. Step 5: Solve for x
    x = 1,385,408,360.62/39,659.85
  6. Step 6: Final answer
    x = 34,932.26

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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.