Home / 40,294.80-60,383.04-20,276.76

Finding the Fourth Proportional to 40,294.80, 60,383.04 and 20,276.76

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Solution

The fourth proportional to 40,294.80, 60,383.04 and 20,276.76 is: 30,385.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,294.80 : 60,383.04 = 20,276.76 : x
  2. Step 2: Convert to fraction form
    40,294.80/60,383.04 = 20,276.76/x
  3. Step 3: Cross multiply
    40,294.80x = 60,383.04 × 20,276.76
  4. Step 4: Simplify right side
    40,294.80x = 1,224,372,410.15
  5. Step 5: Solve for x
    x = 1,224,372,410.15/40,294.80
  6. Step 6: Final answer
    x = 30,385.37

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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.