Home / 54,913.20-75,780.18-29,762.72

Finding the Fourth Proportional to 54,913.20, 75,780.18 and 29,762.72

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Solution

The fourth proportional to 54,913.20, 75,780.18 and 29,762.72 is: 41,072.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,913.20 : 75,780.18 = 29,762.72 : x
  2. Step 2: Convert to fraction form
    54,913.20/75,780.18 = 29,762.72/x
  3. Step 3: Cross multiply
    54,913.20x = 75,780.18 × 29,762.72
  4. Step 4: Simplify right side
    54,913.20x = 2,255,424,278.89
  5. Step 5: Solve for x
    x = 2,255,424,278.89/54,913.20
  6. Step 6: Final answer
    x = 41,072.53

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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.