Home / 54,187.80-74,776.24-29,987.70

Finding the Fourth Proportional to 54,187.80, 74,776.24 and 29,987.70

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Solution

The fourth proportional to 54,187.80, 74,776.24 and 29,987.70 is: 41,381.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,187.80 : 74,776.24 = 29,987.70 : x
  2. Step 2: Convert to fraction form
    54,187.80/74,776.24 = 29,987.70/x
  3. Step 3: Cross multiply
    54,187.80x = 74,776.24 × 29,987.70
  4. Step 4: Simplify right side
    54,187.80x = 2,242,367,452.25
  5. Step 5: Solve for x
    x = 2,242,367,452.25/54,187.80
  6. Step 6: Final answer
    x = 41,381.41

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1.5x scale

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.