Home / 65,731.42-98,576.25-21,347.92

Finding the Fourth Proportional to 65,731.42, 98,576.25 and 21,347.92

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Solution

The fourth proportional to 65,731.42, 98,576.25 and 21,347.92 is: 32,015.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,731.42 : 98,576.25 = 21,347.92 : x
  2. Step 2: Convert to fraction form
    65,731.42/98,576.25 = 21,347.92/x
  3. Step 3: Cross multiply
    65,731.42x = 98,576.25 × 21,347.92
  4. Step 4: Simplify right side
    65,731.42x = 2,104,397,898.90
  5. Step 5: Solve for x
    x = 2,104,397,898.90/65,731.42
  6. Step 6: Final answer
    x = 32,015.10

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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.