Home / 52,387.20-78,518.30-36,506.21

Finding the Fourth Proportional to 52,387.20, 78,518.30 and 36,506.21

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Solution

The fourth proportional to 52,387.20, 78,518.30 and 36,506.21 is: 54,715.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,387.20 : 78,518.30 = 36,506.21 : x
  2. Step 2: Convert to fraction form
    52,387.20/78,518.30 = 36,506.21/x
  3. Step 3: Cross multiply
    52,387.20x = 78,518.30 × 36,506.21
  4. Step 4: Simplify right side
    52,387.20x = 2,866,404,973.52
  5. Step 5: Solve for x
    x = 2,866,404,973.52/52,387.20
  6. Step 6: Final answer
    x = 54,715.75

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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.