Home / 52,165.20-78,272.10-27,233.40

Finding the Fourth Proportional to 52,165.20, 78,272.10 and 27,233.40

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Solution

The fourth proportional to 52,165.20, 78,272.10 and 27,233.40 is: 40,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,165.20 : 78,272.10 = 27,233.40 : x
  2. Step 2: Convert to fraction form
    52,165.20/78,272.10 = 27,233.40/x
  3. Step 3: Cross multiply
    52,165.20x = 78,272.10 × 27,233.40
  4. Step 4: Simplify right side
    52,165.20x = 2,131,615,408.14
  5. Step 5: Solve for x
    x = 2,131,615,408.14/52,165.20
  6. Step 6: Final answer
    x = 40,862.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.