Home / 45,165.83-67,694.92-18,510.74

Finding the Fourth Proportional to 45,165.83, 67,694.92 and 18,510.74

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Solution

The fourth proportional to 45,165.83, 67,694.92 and 18,510.74 is: 27,744.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,165.83 : 67,694.92 = 18,510.74 : x
  2. Step 2: Convert to fraction form
    45,165.83/67,694.92 = 18,510.74/x
  3. Step 3: Cross multiply
    45,165.83x = 67,694.92 × 18,510.74
  4. Step 4: Simplify right side
    45,165.83x = 1,253,082,932.55
  5. Step 5: Solve for x
    x = 1,253,082,932.55/45,165.83
  6. Step 6: Final answer
    x = 27,744.05

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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.