Home / 54,172.60-81,267.98-18,632.49

Finding the Fourth Proportional to 54,172.60, 81,267.98 and 18,632.49

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Solution

The fourth proportional to 54,172.60, 81,267.98 and 18,632.49 is: 27,951.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,172.60 : 81,267.98 = 18,632.49 : x
  2. Step 2: Convert to fraction form
    54,172.60/81,267.98 = 18,632.49/x
  3. Step 3: Cross multiply
    54,172.60x = 81,267.98 × 18,632.49
  4. Step 4: Simplify right side
    54,172.60x = 1,514,224,824.67
  5. Step 5: Solve for x
    x = 1,514,224,824.67/54,172.60
  6. Step 6: Final answer
    x = 27,951.86

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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.