Home / 43,244.80-64,862.40-12,083.20

Finding the Fourth Proportional to 43,244.80, 64,862.40 and 12,083.20

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Solution

The fourth proportional to 43,244.80, 64,862.40 and 12,083.20 is: 18,123.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,244.80 : 64,862.40 = 12,083.20 : x
  2. Step 2: Convert to fraction form
    43,244.80/64,862.40 = 12,083.20/x
  3. Step 3: Cross multiply
    43,244.80x = 64,862.40 × 12,083.20
  4. Step 4: Simplify right side
    43,244.80x = 783,745,351.68
  5. Step 5: Solve for x
    x = 783,745,351.68/43,244.80
  6. Step 6: Final answer
    x = 18,123.46

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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.