Home / 48,457.54-72,667.28-20,391.04

Finding the Fourth Proportional to 48,457.54, 72,667.28 and 20,391.04

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Solution

The fourth proportional to 48,457.54, 72,667.28 and 20,391.04 is: 30,578.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,457.54 : 72,667.28 = 20,391.04 : x
  2. Step 2: Convert to fraction form
    48,457.54/72,667.28 = 20,391.04/x
  3. Step 3: Cross multiply
    48,457.54x = 72,667.28 × 20,391.04
  4. Step 4: Simplify right side
    48,457.54x = 1,481,761,413.17
  5. Step 5: Solve for x
    x = 1,481,761,413.17/48,457.54
  6. Step 6: Final answer
    x = 30,578.55

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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.