Home / 48,220.38-72,348.30-20,143.26

Finding the Fourth Proportional to 48,220.38, 72,348.30 and 20,143.26

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Solution

The fourth proportional to 48,220.38, 72,348.30 and 20,143.26 is: 30,222.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,220.38 : 72,348.30 = 20,143.26 : x
  2. Step 2: Convert to fraction form
    48,220.38/72,348.30 = 20,143.26/x
  3. Step 3: Cross multiply
    48,220.38x = 72,348.30 × 20,143.26
  4. Step 4: Simplify right side
    48,220.38x = 1,457,330,617.46
  5. Step 5: Solve for x
    x = 1,457,330,617.46/48,220.38
  6. Step 6: Final answer
    x = 30,222.30

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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.