Home / 48,455.56-72,711.42-20,373.40

Finding the Fourth Proportional to 48,455.56, 72,711.42 and 20,373.40

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Solution

The fourth proportional to 48,455.56, 72,711.42 and 20,373.40 is: 30,571.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,455.56 : 72,711.42 = 20,373.40 : x
  2. Step 2: Convert to fraction form
    48,455.56/72,711.42 = 20,373.40/x
  3. Step 3: Cross multiply
    48,455.56x = 72,711.42 × 20,373.40
  4. Step 4: Simplify right side
    48,455.56x = 1,481,378,844.23
  5. Step 5: Solve for x
    x = 1,481,378,844.23/48,455.56
  6. Step 6: Final answer
    x = 30,571.91

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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.