Home / 52,002.20-78,003.30-16,945.40

Finding the Fourth Proportional to 52,002.20, 78,003.30 and 16,945.40

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Solution

The fourth proportional to 52,002.20, 78,003.30 and 16,945.40 is: 25,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,002.20 : 78,003.30 = 16,945.40 : x
  2. Step 2: Convert to fraction form
    52,002.20/78,003.30 = 16,945.40/x
  3. Step 3: Cross multiply
    52,002.20x = 78,003.30 × 16,945.40
  4. Step 4: Simplify right side
    52,002.20x = 1,321,797,119.82
  5. Step 5: Solve for x
    x = 1,321,797,119.82/52,002.20
  6. Step 6: Final answer
    x = 25,418.10

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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.