Home / 54,889.32-82,353.68-21,590.92

Finding the Fourth Proportional to 54,889.32, 82,353.68 and 21,590.92

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Solution

The fourth proportional to 54,889.32, 82,353.68 and 21,590.92 is: 32,394.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,889.32 : 82,353.68 = 21,590.92 : x
  2. Step 2: Convert to fraction form
    54,889.32/82,353.68 = 21,590.92/x
  3. Step 3: Cross multiply
    54,889.32x = 82,353.68 × 21,590.92
  4. Step 4: Simplify right side
    54,889.32x = 1,778,091,716.59
  5. Step 5: Solve for x
    x = 1,778,091,716.59/54,889.32
  6. Step 6: Final answer
    x = 32,394.13

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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.