Home / 52,289.46-78,443.31-17,219.70

Finding the Fourth Proportional to 52,289.46, 78,443.31 and 17,219.70

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Solution

The fourth proportional to 52,289.46, 78,443.31 and 17,219.70 is: 25,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,289.46 : 78,443.31 = 17,219.70 : x
  2. Step 2: Convert to fraction form
    52,289.46/78,443.31 = 17,219.70/x
  3. Step 3: Cross multiply
    52,289.46x = 78,443.31 × 17,219.70
  4. Step 4: Simplify right side
    52,289.46x = 1,350,770,265.21
  5. Step 5: Solve for x
    x = 1,350,770,265.21/52,289.46
  6. Step 6: Final answer
    x = 25,832.55

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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.