Home / 40,322.91-60,496.67-20,615.31

Finding the Fourth Proportional to 40,322.91, 60,496.67 and 20,615.31

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Solution

The fourth proportional to 40,322.91, 60,496.67 and 20,615.31 is: 30,929.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,322.91 : 60,496.67 = 20,615.31 : x
  2. Step 2: Convert to fraction form
    40,322.91/60,496.67 = 20,615.31/x
  3. Step 3: Cross multiply
    40,322.91x = 60,496.67 × 20,615.31
  4. Step 4: Simplify right side
    40,322.91x = 1,247,157,327.62
  5. Step 5: Solve for x
    x = 1,247,157,327.62/40,322.91
  6. Step 6: Final answer
    x = 30,929.25

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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.