Home / 40,362.28-60,580.83-20,385.80

Finding the Fourth Proportional to 40,362.28, 60,580.83 and 20,385.80

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Solution

The fourth proportional to 40,362.28, 60,580.83 and 20,385.80 is: 30,597.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,362.28 : 60,580.83 = 20,385.80 : x
  2. Step 2: Convert to fraction form
    40,362.28/60,580.83 = 20,385.80/x
  3. Step 3: Cross multiply
    40,362.28x = 60,580.83 × 20,385.80
  4. Step 4: Simplify right side
    40,362.28x = 1,234,988,987.84
  5. Step 5: Solve for x
    x = 1,234,988,987.84/40,362.28
  6. Step 6: Final answer
    x = 30,597.60

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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.