Home / 52,557.70-78,836.55-15,621.70

Finding the Fourth Proportional to 52,557.70, 78,836.55 and 15,621.70

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Solution

The fourth proportional to 52,557.70, 78,836.55 and 15,621.70 is: 23,432.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,557.70 : 78,836.55 = 15,621.70 : x
  2. Step 2: Convert to fraction form
    52,557.70/78,836.55 = 15,621.70/x
  3. Step 3: Cross multiply
    52,557.70x = 78,836.55 × 15,621.70
  4. Step 4: Simplify right side
    52,557.70x = 1,231,560,933.14
  5. Step 5: Solve for x
    x = 1,231,560,933.14/52,557.70
  6. Step 6: Final answer
    x = 23,432.55

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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.