Home / 55,779.96-83,703.17-20,244.05

Finding the Fourth Proportional to 55,779.96, 83,703.17 and 20,244.05

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Solution

The fourth proportional to 55,779.96, 83,703.17 and 20,244.05 is: 30,378.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,779.96 : 83,703.17 = 20,244.05 : x
  2. Step 2: Convert to fraction form
    55,779.96/83,703.17 = 20,244.05/x
  3. Step 3: Cross multiply
    55,779.96x = 83,703.17 × 20,244.05
  4. Step 4: Simplify right side
    55,779.96x = 1,694,490,790.73
  5. Step 5: Solve for x
    x = 1,694,490,790.73/55,779.96
  6. Step 6: Final answer
    x = 30,378.13

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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.