Home / 54,283.20-74,920.80-35,420.16

Finding the Fourth Proportional to 54,283.20, 74,920.80 and 35,420.16

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Solution

The fourth proportional to 54,283.20, 74,920.80 and 35,420.16 is: 48,886.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,283.20 : 74,920.80 = 35,420.16 : x
  2. Step 2: Convert to fraction form
    54,283.20/74,920.80 = 35,420.16/x
  3. Step 3: Cross multiply
    54,283.20x = 74,920.80 × 35,420.16
  4. Step 4: Simplify right side
    54,283.20x = 2,653,706,723.33
  5. Step 5: Solve for x
    x = 2,653,706,723.33/54,283.20
  6. Step 6: Final answer
    x = 48,886.34

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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.