Home / 52,011.20-78,016.80-48,324.80

Finding the Fourth Proportional to 52,011.20, 78,016.80 and 48,324.80

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Solution

The fourth proportional to 52,011.20, 78,016.80 and 48,324.80 is: 72,487.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,011.20 : 78,016.80 = 48,324.80 : x
  2. Step 2: Convert to fraction form
    52,011.20/78,016.80 = 48,324.80/x
  3. Step 3: Cross multiply
    52,011.20x = 78,016.80 × 48,324.80
  4. Step 4: Simplify right side
    52,011.20x = 3,770,146,256.64
  5. Step 5: Solve for x
    x = 3,770,146,256.64/52,011.20
  6. Step 6: Final answer
    x = 72,487.20

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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.