Home / 52,441.20-78,660.78-12,998.22

Finding the Fourth Proportional to 52,441.20, 78,660.78 and 12,998.22

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Solution

The fourth proportional to 52,441.20, 78,660.78 and 12,998.22 is: 19,497.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,441.20 : 78,660.78 = 12,998.22 : x
  2. Step 2: Convert to fraction form
    52,441.20/78,660.78 = 12,998.22/x
  3. Step 3: Cross multiply
    52,441.20x = 78,660.78 × 12,998.22
  4. Step 4: Simplify right side
    52,441.20x = 1,022,450,123.81
  5. Step 5: Solve for x
    x = 1,022,450,123.81/52,441.20
  6. Step 6: Final answer
    x = 19,497.08

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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.