Home / 54,074.88-74,625.60-30,209.28

Finding the Fourth Proportional to 54,074.88, 74,625.60 and 30,209.28

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Solution

The fourth proportional to 54,074.88, 74,625.60 and 30,209.28 is: 41,690.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,074.88 : 74,625.60 = 30,209.28 : x
  2. Step 2: Convert to fraction form
    54,074.88/74,625.60 = 30,209.28/x
  3. Step 3: Cross multiply
    54,074.88x = 74,625.60 × 30,209.28
  4. Step 4: Simplify right side
    54,074.88x = 2,254,385,645.57
  5. Step 5: Solve for x
    x = 2,254,385,645.57/54,074.88
  6. Step 6: Final answer
    x = 41,690.07

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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.