Home / 52,130.20-78,195.30-32,447.20

Finding the Fourth Proportional to 52,130.20, 78,195.30 and 32,447.20

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Solution

The fourth proportional to 52,130.20, 78,195.30 and 32,447.20 is: 48,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,130.20 : 78,195.30 = 32,447.20 : x
  2. Step 2: Convert to fraction form
    52,130.20/78,195.30 = 32,447.20/x
  3. Step 3: Cross multiply
    52,130.20x = 78,195.30 × 32,447.20
  4. Step 4: Simplify right side
    52,130.20x = 2,537,218,538.16
  5. Step 5: Solve for x
    x = 2,537,218,538.16/52,130.20
  6. Step 6: Final answer
    x = 48,670.80

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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.