Home / 54,254.90-74,865.02-30,377.72

Finding the Fourth Proportional to 54,254.90, 74,865.02 and 30,377.72

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Solution

The fourth proportional to 54,254.90, 74,865.02 and 30,377.72 is: 41,917.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,254.90 : 74,865.02 = 30,377.72 : x
  2. Step 2: Convert to fraction form
    54,254.90/74,865.02 = 30,377.72/x
  3. Step 3: Cross multiply
    54,254.90x = 74,865.02 × 30,377.72
  4. Step 4: Simplify right side
    54,254.90x = 2,274,228,650.63
  5. Step 5: Solve for x
    x = 2,274,228,650.63/54,254.90
  6. Step 6: Final answer
    x = 41,917.48

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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.