Home / 55,779.93-83,633.55-20,234.64

Finding the Fourth Proportional to 55,779.93, 83,633.55 and 20,234.64

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Solution

The fourth proportional to 55,779.93, 83,633.55 and 20,234.64 is: 30,338.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,779.93 : 83,633.55 = 20,234.64 : x
  2. Step 2: Convert to fraction form
    55,779.93/83,633.55 = 20,234.64/x
  3. Step 3: Cross multiply
    55,779.93x = 83,633.55 × 20,234.64
  4. Step 4: Simplify right side
    55,779.93x = 1,692,294,776.17
  5. Step 5: Solve for x
    x = 1,692,294,776.17/55,779.93
  6. Step 6: Final answer
    x = 30,338.78

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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.