Home / 51,779.28-77,656.04-22,193.76

Finding the Fourth Proportional to 51,779.28, 77,656.04 and 22,193.76

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Solution

The fourth proportional to 51,779.28, 77,656.04 and 22,193.76 is: 33,285.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,779.28 : 77,656.04 = 22,193.76 : x
  2. Step 2: Convert to fraction form
    51,779.28/77,656.04 = 22,193.76/x
  3. Step 3: Cross multiply
    51,779.28x = 77,656.04 × 22,193.76
  4. Step 4: Simplify right side
    51,779.28x = 1,723,479,514.31
  5. Step 5: Solve for x
    x = 1,723,479,514.31/51,779.28
  6. Step 6: Final answer
    x = 33,285.12

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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.