Home / 65,057.40-97,519.56-36,918

Finding the Fourth Proportional to 65,057.40, 97,519.56 and 36,918

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Solution

The fourth proportional to 65,057.40, 97,519.56 and 36,918 is: 55,339.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,057.40 : 97,519.56 = 36,918 : x
  2. Step 2: Convert to fraction form
    65,057.40/97,519.56 = 36,918/x
  3. Step 3: Cross multiply
    65,057.40x = 97,519.56 × 36,918
  4. Step 4: Simplify right side
    65,057.40x = 3,600,227,116.08
  5. Step 5: Solve for x
    x = 3,600,227,116.08/65,057.40
  6. Step 6: Final answer
    x = 55,339.24

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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.