Home / 65,829.04-98,753.80-21,445.46

Finding the Fourth Proportional to 65,829.04, 98,753.80 and 21,445.46

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Solution

The fourth proportional to 65,829.04, 98,753.80 and 21,445.46 is: 32,171.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,829.04 : 98,753.80 = 21,445.46 : x
  2. Step 2: Convert to fraction form
    65,829.04/98,753.80 = 21,445.46/x
  3. Step 3: Cross multiply
    65,829.04x = 98,753.80 × 21,445.46
  4. Step 4: Simplify right side
    65,829.04x = 2,117,820,530.90
  5. Step 5: Solve for x
    x = 2,117,820,530.90/65,829.04
  6. Step 6: Final answer
    x = 32,171.53

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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.