Home / 64,449.20-96,673.80-20,079.53

Finding the Fourth Proportional to 64,449.20, 96,673.80 and 20,079.53

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Solution

The fourth proportional to 64,449.20, 96,673.80 and 20,079.53 is: 30,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,449.20 : 96,673.80 = 20,079.53 : x
  2. Step 2: Convert to fraction form
    64,449.20/96,673.80 = 20,079.53/x
  3. Step 3: Cross multiply
    64,449.20x = 96,673.80 × 20,079.53
  4. Step 4: Simplify right side
    64,449.20x = 1,941,163,983.95
  5. Step 5: Solve for x
    x = 1,941,163,983.95/64,449.20
  6. Step 6: Final answer
    x = 30,119.29

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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.