Home / 48,347.12-72,518.52-20,259.92

Finding the Fourth Proportional to 48,347.12, 72,518.52 and 20,259.92

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Solution

The fourth proportional to 48,347.12, 72,518.52 and 20,259.92 is: 30,388.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,347.12 : 72,518.52 = 20,259.92 : x
  2. Step 2: Convert to fraction form
    48,347.12/72,518.52 = 20,259.92/x
  3. Step 3: Cross multiply
    48,347.12x = 72,518.52 × 20,259.92
  4. Step 4: Simplify right side
    48,347.12x = 1,469,219,413.72
  5. Step 5: Solve for x
    x = 1,469,219,413.72/48,347.12
  6. Step 6: Final answer
    x = 30,388.97

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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.