Home / 65,331.10-97,996.65-18,577.90

Finding the Fourth Proportional to 65,331.10, 97,996.65 and 18,577.90

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Solution

The fourth proportional to 65,331.10, 97,996.65 and 18,577.90 is: 27,866.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,331.10 : 97,996.65 = 18,577.90 : x
  2. Step 2: Convert to fraction form
    65,331.10/97,996.65 = 18,577.90/x
  3. Step 3: Cross multiply
    65,331.10x = 97,996.65 × 18,577.90
  4. Step 4: Simplify right side
    65,331.10x = 1,820,571,964.04
  5. Step 5: Solve for x
    x = 1,820,571,964.04/65,331.10
  6. Step 6: Final answer
    x = 27,866.85

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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.