Home / 48,220.95-72,296.38-20,149.04

Finding the Fourth Proportional to 48,220.95, 72,296.38 and 20,149.04

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Solution

The fourth proportional to 48,220.95, 72,296.38 and 20,149.04 is: 30,208.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,220.95 : 72,296.38 = 20,149.04 : x
  2. Step 2: Convert to fraction form
    48,220.95/72,296.38 = 20,149.04/x
  3. Step 3: Cross multiply
    48,220.95x = 72,296.38 × 20,149.04
  4. Step 4: Simplify right side
    48,220.95x = 1,456,702,858.40
  5. Step 5: Solve for x
    x = 1,456,702,858.40/48,220.95
  6. Step 6: Final answer
    x = 30,208.92

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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.