Home / 45,635.20-68,443.20-19,340.80

Finding the Fourth Proportional to 45,635.20, 68,443.20 and 19,340.80

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Solution

The fourth proportional to 45,635.20, 68,443.20 and 19,340.80 is: 29,007.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,635.20 : 68,443.20 = 19,340.80 : x
  2. Step 2: Convert to fraction form
    45,635.20/68,443.20 = 19,340.80/x
  3. Step 3: Cross multiply
    45,635.20x = 68,443.20 × 19,340.80
  4. Step 4: Simplify right side
    45,635.20x = 1,323,746,242.56
  5. Step 5: Solve for x
    x = 1,323,746,242.56/45,635.20
  6. Step 6: Final answer
    x = 29,007.13

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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.