Home / 65,966.66-98,962.08-21,595.88

Finding the Fourth Proportional to 65,966.66, 98,962.08 and 21,595.88

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Solution

The fourth proportional to 65,966.66, 98,962.08 and 21,595.88 is: 32,397.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,966.66 : 98,962.08 = 21,595.88 : x
  2. Step 2: Convert to fraction form
    65,966.66/98,962.08 = 21,595.88/x
  3. Step 3: Cross multiply
    65,966.66x = 98,962.08 × 21,595.88
  4. Step 4: Simplify right side
    65,966.66x = 2,137,173,204.23
  5. Step 5: Solve for x
    x = 2,137,173,204.23/65,966.66
  6. Step 6: Final answer
    x = 32,397.78

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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.