Home / 35,921.85-49,572.20-20,817.41

Finding the Fourth Proportional to 35,921.85, 49,572.20 and 20,817.41

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Solution

The fourth proportional to 35,921.85, 49,572.20 and 20,817.41 is: 28,728.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,921.85 : 49,572.20 = 20,817.41 : x
  2. Step 2: Convert to fraction form
    35,921.85/49,572.20 = 20,817.41/x
  3. Step 3: Cross multiply
    35,921.85x = 49,572.20 × 20,817.41
  4. Step 4: Simplify right side
    35,921.85x = 1,031,964,616.18
  5. Step 5: Solve for x
    x = 1,031,964,616.18/35,921.85
  6. Step 6: Final answer
    x = 28,728.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.