Home / 45,637.92-68,439.60-19,355.04

Finding the Fourth Proportional to 45,637.92, 68,439.60 and 19,355.04

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Solution

The fourth proportional to 45,637.92, 68,439.60 and 19,355.04 is: 29,025.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,637.92 : 68,439.60 = 19,355.04 : x
  2. Step 2: Convert to fraction form
    45,637.92/68,439.60 = 19,355.04/x
  3. Step 3: Cross multiply
    45,637.92x = 68,439.60 × 19,355.04
  4. Step 4: Simplify right side
    45,637.92x = 1,324,651,195.58
  5. Step 5: Solve for x
    x = 1,324,651,195.58/45,637.92
  6. Step 6: Final answer
    x = 29,025.23

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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.