Home / 52,197.20-78,295.58-18,909.46

Finding the Fourth Proportional to 52,197.20, 78,295.58 and 18,909.46

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Solution

The fourth proportional to 52,197.20, 78,295.58 and 18,909.46 is: 28,364.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,197.20 : 78,295.58 = 18,909.46 : x
  2. Step 2: Convert to fraction form
    52,197.20/78,295.58 = 18,909.46/x
  3. Step 3: Cross multiply
    52,197.20x = 78,295.58 × 18,909.46
  4. Step 4: Simplify right side
    52,197.20x = 1,480,527,138.19
  5. Step 5: Solve for x
    x = 1,480,527,138.19/52,197.20
  6. Step 6: Final answer
    x = 28,364.11

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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.