Home / 48,199.56-72,320.15-18,638.22

Finding the Fourth Proportional to 48,199.56, 72,320.15 and 18,638.22

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Solution

The fourth proportional to 48,199.56, 72,320.15 and 18,638.22 is: 27,965.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,199.56 : 72,320.15 = 18,638.22 : x
  2. Step 2: Convert to fraction form
    48,199.56/72,320.15 = 18,638.22/x
  3. Step 3: Cross multiply
    48,199.56x = 72,320.15 × 18,638.22
  4. Step 4: Simplify right side
    48,199.56x = 1,347,918,772.94
  5. Step 5: Solve for x
    x = 1,347,918,772.94/48,199.56
  6. Step 6: Final answer
    x = 27,965.38

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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.