Home / 52,228.12-78,375.18-27,312.88

Finding the Fourth Proportional to 52,228.12, 78,375.18 and 27,312.88

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Solution

The fourth proportional to 52,228.12, 78,375.18 and 27,312.88 is: 40,986.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,228.12 : 78,375.18 = 27,312.88 : x
  2. Step 2: Convert to fraction form
    52,228.12/78,375.18 = 27,312.88/x
  3. Step 3: Cross multiply
    52,228.12x = 78,375.18 × 27,312.88
  4. Step 4: Simplify right side
    52,228.12x = 2,140,651,886.32
  5. Step 5: Solve for x
    x = 2,140,651,886.32/52,228.12
  6. Step 6: Final answer
    x = 40,986.58

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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.