Home / 48,220.28-72,341.46-18,638.36

Finding the Fourth Proportional to 48,220.28, 72,341.46 and 18,638.36

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Solution

The fourth proportional to 48,220.28, 72,341.46 and 18,638.36 is: 27,961.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,220.28 : 72,341.46 = 18,638.36 : x
  2. Step 2: Convert to fraction form
    48,220.28/72,341.46 = 18,638.36/x
  3. Step 3: Cross multiply
    48,220.28x = 72,341.46 × 18,638.36
  4. Step 4: Simplify right side
    48,220.28x = 1,348,326,174.41
  5. Step 5: Solve for x
    x = 1,348,326,174.41/48,220.28
  6. Step 6: Final answer
    x = 27,961.81

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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.