Home / 48,989.80-73,497.18-20,895.72

Finding the Fourth Proportional to 48,989.80, 73,497.18 and 20,895.72

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Solution

The fourth proportional to 48,989.80, 73,497.18 and 20,895.72 is: 31,348.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,989.80 : 73,497.18 = 20,895.72 : x
  2. Step 2: Convert to fraction form
    48,989.80/73,497.18 = 20,895.72/x
  3. Step 3: Cross multiply
    48,989.80x = 73,497.18 × 20,895.72
  4. Step 4: Simplify right side
    48,989.80x = 1,535,776,494.07
  5. Step 5: Solve for x
    x = 1,535,776,494.07/48,989.80
  6. Step 6: Final answer
    x = 31,348.90

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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.