Home / 52,144.80-78,217.36-12,701.92

Finding the Fourth Proportional to 52,144.80, 78,217.36 and 12,701.92

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Solution

The fourth proportional to 52,144.80, 78,217.36 and 12,701.92 is: 19,052.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,144.80 : 78,217.36 = 12,701.92 : x
  2. Step 2: Convert to fraction form
    52,144.80/78,217.36 = 12,701.92/x
  3. Step 3: Cross multiply
    52,144.80x = 78,217.36 × 12,701.92
  4. Step 4: Simplify right side
    52,144.80x = 993,510,649.33
  5. Step 5: Solve for x
    x = 993,510,649.33/52,144.80
  6. Step 6: Final answer
    x = 19,052.92

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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.