Home / 40,095.28-60,142.92-12,393.28

Finding the Fourth Proportional to 40,095.28, 60,142.92 and 12,393.28

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Solution

The fourth proportional to 40,095.28, 60,142.92 and 12,393.28 is: 18,589.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,095.28 : 60,142.92 = 12,393.28 : x
  2. Step 2: Convert to fraction form
    40,095.28/60,142.92 = 12,393.28/x
  3. Step 3: Cross multiply
    40,095.28x = 60,142.92 × 12,393.28
  4. Step 4: Simplify right side
    40,095.28x = 745,368,145.99
  5. Step 5: Solve for x
    x = 745,368,145.99/40,095.28
  6. Step 6: Final answer
    x = 18,589.92

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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.