Home / 65,241.05-97,876.15-20,870.46

Finding the Fourth Proportional to 65,241.05, 97,876.15 and 20,870.46

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Solution

The fourth proportional to 65,241.05, 97,876.15 and 20,870.46 is: 31,310.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,241.05 : 97,876.15 = 20,870.46 : x
  2. Step 2: Convert to fraction form
    65,241.05/97,876.15 = 20,870.46/x
  3. Step 3: Cross multiply
    65,241.05x = 97,876.15 × 20,870.46
  4. Step 4: Simplify right side
    65,241.05x = 2,042,720,221.35
  5. Step 5: Solve for x
    x = 2,042,720,221.35/65,241.05
  6. Step 6: Final answer
    x = 31,310.35

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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.