Home / 66,454.20-99,691.26-21,460.52

Finding the Fourth Proportional to 66,454.20, 99,691.26 and 21,460.52

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Solution

The fourth proportional to 66,454.20, 99,691.26 and 21,460.52 is: 32,194.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,454.20 : 99,691.26 = 21,460.52 : x
  2. Step 2: Convert to fraction form
    66,454.20/99,691.26 = 21,460.52/x
  3. Step 3: Cross multiply
    66,454.20x = 99,691.26 × 21,460.52
  4. Step 4: Simplify right side
    66,454.20x = 2,139,426,279.06
  5. Step 5: Solve for x
    x = 2,139,426,279.06/66,454.20
  6. Step 6: Final answer
    x = 32,194.00

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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.