Home / 40,877.20-61,283.40-22,409.20

Finding the Fourth Proportional to 40,877.20, 61,283.40 and 22,409.20

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Solution

The fourth proportional to 40,877.20, 61,283.40 and 22,409.20 is: 33,596.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,877.20 : 61,283.40 = 22,409.20 : x
  2. Step 2: Convert to fraction form
    40,877.20/61,283.40 = 22,409.20/x
  3. Step 3: Cross multiply
    40,877.20x = 61,283.40 × 22,409.20
  4. Step 4: Simplify right side
    40,877.20x = 1,373,311,967.28
  5. Step 5: Solve for x
    x = 1,373,311,967.28/40,877.20
  6. Step 6: Final answer
    x = 33,596.04

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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.