Home / 48,348.46-72,472.79-20,284.81

Finding the Fourth Proportional to 48,348.46, 72,472.79 and 20,284.81

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Solution

The fourth proportional to 48,348.46, 72,472.79 and 20,284.81 is: 30,406.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,348.46 : 72,472.79 = 20,284.81 : x
  2. Step 2: Convert to fraction form
    48,348.46/72,472.79 = 20,284.81/x
  3. Step 3: Cross multiply
    48,348.46x = 72,472.79 × 20,284.81
  4. Step 4: Simplify right side
    48,348.46x = 1,470,096,412.96
  5. Step 5: Solve for x
    x = 1,470,096,412.96/48,348.46
  6. Step 6: Final answer
    x = 30,406.27

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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.