Home / 52,274.16-78,363.72-18,979.92

Finding the Fourth Proportional to 52,274.16, 78,363.72 and 18,979.92

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Solution

The fourth proportional to 52,274.16, 78,363.72 and 18,979.92 is: 28,452.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,274.16 : 78,363.72 = 18,979.92 : x
  2. Step 2: Convert to fraction form
    52,274.16/78,363.72 = 18,979.92/x
  3. Step 3: Cross multiply
    52,274.16x = 78,363.72 × 18,979.92
  4. Step 4: Simplify right side
    52,274.16x = 1,487,337,136.50
  5. Step 5: Solve for x
    x = 1,487,337,136.50/52,274.16
  6. Step 6: Final answer
    x = 28,452.63

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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.