Home / 65,221.30-97,864.35-25,779.70

Finding the Fourth Proportional to 65,221.30, 97,864.35 and 25,779.70

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Solution

The fourth proportional to 65,221.30, 97,864.35 and 25,779.70 is: 38,682.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,221.30 : 97,864.35 = 25,779.70 : x
  2. Step 2: Convert to fraction form
    65,221.30/97,864.35 = 25,779.70/x
  3. Step 3: Cross multiply
    65,221.30x = 97,864.35 × 25,779.70
  4. Step 4: Simplify right side
    65,221.30x = 2,522,913,583.70
  5. Step 5: Solve for x
    x = 2,522,913,583.70/65,221.30
  6. Step 6: Final answer
    x = 38,682.36

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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.