Home / 52,520.20-78,655.02-30,287.08

Finding the Fourth Proportional to 52,520.20, 78,655.02 and 30,287.08

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Solution

The fourth proportional to 52,520.20, 78,655.02 and 30,287.08 is: 45,358.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,520.20 : 78,655.02 = 30,287.08 : x
  2. Step 2: Convert to fraction form
    52,520.20/78,655.02 = 30,287.08/x
  3. Step 3: Cross multiply
    52,520.20x = 78,655.02 × 30,287.08
  4. Step 4: Simplify right side
    52,520.20x = 2,382,230,883.14
  5. Step 5: Solve for x
    x = 2,382,230,883.14/52,520.20
  6. Step 6: Final answer
    x = 45,358.37

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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.