Home / 52,527.80-78,849.30-29,142.20

Finding the Fourth Proportional to 52,527.80, 78,849.30 and 29,142.20

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Solution

The fourth proportional to 52,527.80, 78,849.30 and 29,142.20 is: 43,745.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,527.80 : 78,849.30 = 29,142.20 : x
  2. Step 2: Convert to fraction form
    52,527.80/78,849.30 = 29,142.20/x
  3. Step 3: Cross multiply
    52,527.80x = 78,849.30 × 29,142.20
  4. Step 4: Simplify right side
    52,527.80x = 2,297,842,070.46
  5. Step 5: Solve for x
    x = 2,297,842,070.46/52,527.80
  6. Step 6: Final answer
    x = 43,745.26

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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.