Home / 60,155.90-90,216.33-18,034.30

Finding the Fourth Proportional to 60,155.90, 90,216.33 and 18,034.30

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Solution

The fourth proportional to 60,155.90, 90,216.33 and 18,034.30 is: 27,046.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,155.90 : 90,216.33 = 18,034.30 : x
  2. Step 2: Convert to fraction form
    60,155.90/90,216.33 = 18,034.30/x
  3. Step 3: Cross multiply
    60,155.90x = 90,216.33 × 18,034.30
  4. Step 4: Simplify right side
    60,155.90x = 1,626,988,360.12
  5. Step 5: Solve for x
    x = 1,626,988,360.12/60,155.90
  6. Step 6: Final answer
    x = 27,046.20

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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.