Home / 89,921.72-134,879.38-22,454.13

Finding the Fourth Proportional to 89,921.72, 134,879.38 and 22,454.13

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Solution

The fourth proportional to 89,921.72, 134,879.38 and 22,454.13 is: 33,680.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,921.72 : 134,879.38 = 22,454.13 : x
  2. Step 2: Convert to fraction form
    89,921.72/134,879.38 = 22,454.13/x
  3. Step 3: Cross multiply
    89,921.72x = 134,879.38 × 22,454.13
  4. Step 4: Simplify right side
    89,921.72x = 3,028,599,582.50
  5. Step 5: Solve for x
    x = 3,028,599,582.50/89,921.72
  6. Step 6: Final answer
    x = 33,680.40

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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.