Home / 52,179.72-78,269.31-12,737.04

Finding the Fourth Proportional to 52,179.72, 78,269.31 and 12,737.04

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Solution

The fourth proportional to 52,179.72, 78,269.31 and 12,737.04 is: 19,105.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,179.72 : 78,269.31 = 12,737.04 : x
  2. Step 2: Convert to fraction form
    52,179.72/78,269.31 = 12,737.04/x
  3. Step 3: Cross multiply
    52,179.72x = 78,269.31 × 12,737.04
  4. Step 4: Simplify right side
    52,179.72x = 996,919,332.24
  5. Step 5: Solve for x
    x = 996,919,332.24/52,179.72
  6. Step 6: Final answer
    x = 19,105.49

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1.5x scale

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.