Home / 66,460.56-99,710.16-21,481.02

Finding the Fourth Proportional to 66,460.56, 99,710.16 and 21,481.02

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Solution

The fourth proportional to 66,460.56, 99,710.16 and 21,481.02 is: 32,227.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,460.56 : 99,710.16 = 21,481.02 : x
  2. Step 2: Convert to fraction form
    66,460.56/99,710.16 = 21,481.02/x
  3. Step 3: Cross multiply
    66,460.56x = 99,710.16 × 21,481.02
  4. Step 4: Simplify right side
    66,460.56x = 2,141,875,941.16
  5. Step 5: Solve for x
    x = 2,141,875,941.16/66,460.56
  6. Step 6: Final answer
    x = 32,227.77

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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.