Home / 51,579.84-71,177.76-29,219.52

Finding the Fourth Proportional to 51,579.84, 71,177.76 and 29,219.52

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Solution

The fourth proportional to 51,579.84, 71,177.76 and 29,219.52 is: 40,321.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,579.84 : 71,177.76 = 29,219.52 : x
  2. Step 2: Convert to fraction form
    51,579.84/71,177.76 = 29,219.52/x
  3. Step 3: Cross multiply
    51,579.84x = 71,177.76 × 29,219.52
  4. Step 4: Simplify right side
    51,579.84x = 2,079,779,981.88
  5. Step 5: Solve for x
    x = 2,079,779,981.88/51,579.84
  6. Step 6: Final answer
    x = 40,321.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.