Home / 45,155.90-67,719.98-17,089.20

Finding the Fourth Proportional to 45,155.90, 67,719.98 and 17,089.20

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Solution

The fourth proportional to 45,155.90, 67,719.98 and 17,089.20 is: 25,628.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,155.90 : 67,719.98 = 17,089.20 : x
  2. Step 2: Convert to fraction form
    45,155.90/67,719.98 = 17,089.20/x
  3. Step 3: Cross multiply
    45,155.90x = 67,719.98 × 17,089.20
  4. Step 4: Simplify right side
    45,155.90x = 1,157,280,324.94
  5. Step 5: Solve for x
    x = 1,157,280,324.94/45,155.90
  6. Step 6: Final answer
    x = 25,628.55

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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.