Home / 48,287.63-72,413.24-20,209.63

Finding the Fourth Proportional to 48,287.63, 72,413.24 and 20,209.63

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Solution

The fourth proportional to 48,287.63, 72,413.24 and 20,209.63 is: 30,306.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,287.63 : 72,413.24 = 20,209.63 : x
  2. Step 2: Convert to fraction form
    48,287.63/72,413.24 = 20,209.63/x
  3. Step 3: Cross multiply
    48,287.63x = 72,413.24 × 20,209.63
  4. Step 4: Simplify right side
    48,287.63x = 1,463,444,551.21
  5. Step 5: Solve for x
    x = 1,463,444,551.21/48,287.63
  6. Step 6: Final answer
    x = 30,306.82

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1.5x scale

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.