Home / 65,904.10-98,871.37-21,534.12

Finding the Fourth Proportional to 65,904.10, 98,871.37 and 21,534.12

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Solution

The fourth proportional to 65,904.10, 98,871.37 and 21,534.12 is: 32,306.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,904.10 : 98,871.37 = 21,534.12 : x
  2. Step 2: Convert to fraction form
    65,904.10/98,871.37 = 21,534.12/x
  3. Step 3: Cross multiply
    65,904.10x = 98,871.37 × 21,534.12
  4. Step 4: Simplify right side
    65,904.10x = 2,129,107,892.31
  5. Step 5: Solve for x
    x = 2,129,107,892.31/65,904.10
  6. Step 6: Final answer
    x = 32,306.15

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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.