Home / 48,443.78-72,634.47-20,382.02

Finding the Fourth Proportional to 48,443.78, 72,634.47 and 20,382.02

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Solution

The fourth proportional to 48,443.78, 72,634.47 and 20,382.02 is: 30,559.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,443.78 : 72,634.47 = 20,382.02 : x
  2. Step 2: Convert to fraction form
    48,443.78/72,634.47 = 20,382.02/x
  3. Step 3: Cross multiply
    48,443.78x = 72,634.47 × 20,382.02
  4. Step 4: Simplify right side
    48,443.78x = 1,480,437,220.23
  5. Step 5: Solve for x
    x = 1,480,437,220.23/48,443.78
  6. Step 6: Final answer
    x = 30,559.90

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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.