Home / 50,510.38-75,765.54-20,920.24

Finding the Fourth Proportional to 50,510.38, 75,765.54 and 20,920.24

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Solution

The fourth proportional to 50,510.38, 75,765.54 and 20,920.24 is: 31,380.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,510.38 : 75,765.54 = 20,920.24 : x
  2. Step 2: Convert to fraction form
    50,510.38/75,765.54 = 20,920.24/x
  3. Step 3: Cross multiply
    50,510.38x = 75,765.54 × 20,920.24
  4. Step 4: Simplify right side
    50,510.38x = 1,585,033,280.53
  5. Step 5: Solve for x
    x = 1,585,033,280.53/50,510.38
  6. Step 6: Final answer
    x = 31,380.35

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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.