Home / 54,897.38-82,287.73-21,612.86

Finding the Fourth Proportional to 54,897.38, 82,287.73 and 21,612.86

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Solution

The fourth proportional to 54,897.38, 82,287.73 and 21,612.86 is: 32,396.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,897.38 : 82,287.73 = 21,612.86 : x
  2. Step 2: Convert to fraction form
    54,897.38/82,287.73 = 21,612.86/x
  3. Step 3: Cross multiply
    54,897.38x = 82,287.73 × 21,612.86
  4. Step 4: Simplify right side
    54,897.38x = 1,778,472,668.70
  5. Step 5: Solve for x
    x = 1,778,472,668.70/54,897.38
  6. Step 6: Final answer
    x = 32,396.32

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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.