Home / 45,811.92-68,731-22,445.20

Finding the Fourth Proportional to 45,811.92, 68,731 and 22,445.20

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Solution

The fourth proportional to 45,811.92, 68,731 and 22,445.20 is: 33,674.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,811.92 : 68,731 = 22,445.20 : x
  2. Step 2: Convert to fraction form
    45,811.92/68,731 = 22,445.20/x
  3. Step 3: Cross multiply
    45,811.92x = 68,731 × 22,445.20
  4. Step 4: Simplify right side
    45,811.92x = 1,542,681,041.20
  5. Step 5: Solve for x
    x = 1,542,681,041.20/45,811.92
  6. Step 6: Final answer
    x = 33,674.23

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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.