Home / 54,913.28-75,780.72-29,762.78

Finding the Fourth Proportional to 54,913.28, 75,780.72 and 29,762.78

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Solution

The fourth proportional to 54,913.28, 75,780.72 and 29,762.78 is: 41,072.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,913.28 : 75,780.72 = 29,762.78 : x
  2. Step 2: Convert to fraction form
    54,913.28/75,780.72 = 29,762.78/x
  3. Step 3: Cross multiply
    54,913.28x = 75,780.72 × 29,762.78
  4. Step 4: Simplify right side
    54,913.28x = 2,255,444,518.70
  5. Step 5: Solve for x
    x = 2,255,444,518.70/54,913.28
  6. Step 6: Final answer
    x = 41,072.85

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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.