Home / 48,931.46-73,378.41-20,833.70

Finding the Fourth Proportional to 48,931.46, 73,378.41 and 20,833.70

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Solution

The fourth proportional to 48,931.46, 73,378.41 and 20,833.70 is: 31,242.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,931.46 : 73,378.41 = 20,833.70 : x
  2. Step 2: Convert to fraction form
    48,931.46/73,378.41 = 20,833.70/x
  3. Step 3: Cross multiply
    48,931.46x = 73,378.41 × 20,833.70
  4. Step 4: Simplify right side
    48,931.46x = 1,528,743,780.42
  5. Step 5: Solve for x
    x = 1,528,743,780.42/48,931.46
  6. Step 6: Final answer
    x = 31,242.55

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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.