Home / 65,964.18-98,960.12-21,587.46

Finding the Fourth Proportional to 65,964.18, 98,960.12 and 21,587.46

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Solution

The fourth proportional to 65,964.18, 98,960.12 and 21,587.46 is: 32,385.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,964.18 : 98,960.12 = 21,587.46 : x
  2. Step 2: Convert to fraction form
    65,964.18/98,960.12 = 21,587.46/x
  3. Step 3: Cross multiply
    65,964.18x = 98,960.12 × 21,587.46
  4. Step 4: Simplify right side
    65,964.18x = 2,136,297,632.10
  5. Step 5: Solve for x
    x = 2,136,297,632.10/65,964.18
  6. Step 6: Final answer
    x = 32,385.72

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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.