Home / 40,262.28-60,365.88-20,502.60

Finding the Fourth Proportional to 40,262.28, 60,365.88 and 20,502.60

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Solution

The fourth proportional to 40,262.28, 60,365.88 and 20,502.60 is: 30,739.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,262.28 : 60,365.88 = 20,502.60 : x
  2. Step 2: Convert to fraction form
    40,262.28/60,365.88 = 20,502.60/x
  3. Step 3: Cross multiply
    40,262.28x = 60,365.88 × 20,502.60
  4. Step 4: Simplify right side
    40,262.28x = 1,237,657,491.29
  5. Step 5: Solve for x
    x = 1,237,657,491.29/40,262.28
  6. Step 6: Final answer
    x = 30,739.88

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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.