Home / 65,349.06-98,042.31-20,974.74

Finding the Fourth Proportional to 65,349.06, 98,042.31 and 20,974.74

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Solution

The fourth proportional to 65,349.06, 98,042.31 and 20,974.74 is: 31,468.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,349.06 : 98,042.31 = 20,974.74 : x
  2. Step 2: Convert to fraction form
    65,349.06/98,042.31 = 20,974.74/x
  3. Step 3: Cross multiply
    65,349.06x = 98,042.31 × 20,974.74
  4. Step 4: Simplify right side
    65,349.06x = 2,056,411,961.25
  5. Step 5: Solve for x
    x = 2,056,411,961.25/65,349.06
  6. Step 6: Final answer
    x = 31,468.12

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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.