Home / 40,314.28-60,442.52-18,955.04

Finding the Fourth Proportional to 40,314.28, 60,442.52 and 18,955.04

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Solution

The fourth proportional to 40,314.28, 60,442.52 and 18,955.04 is: 28,418.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,314.28 : 60,442.52 = 18,955.04 : x
  2. Step 2: Convert to fraction form
    40,314.28/60,442.52 = 18,955.04/x
  3. Step 3: Cross multiply
    40,314.28x = 60,442.52 × 18,955.04
  4. Step 4: Simplify right side
    40,314.28x = 1,145,690,384.30
  5. Step 5: Solve for x
    x = 1,145,690,384.30/40,314.28
  6. Step 6: Final answer
    x = 28,418.97

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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.