Home / 54,187.94-74,776.34-29,987.57

Finding the Fourth Proportional to 54,187.94, 74,776.34 and 29,987.57

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Solution

The fourth proportional to 54,187.94, 74,776.34 and 29,987.57 is: 41,381.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,187.94 : 74,776.34 = 29,987.57 : x
  2. Step 2: Convert to fraction form
    54,187.94/74,776.34 = 29,987.57/x
  3. Step 3: Cross multiply
    54,187.94x = 74,776.34 × 29,987.57
  4. Step 4: Simplify right side
    54,187.94x = 2,242,360,206.27
  5. Step 5: Solve for x
    x = 2,242,360,206.27/54,187.94
  6. Step 6: Final answer
    x = 41,381.17

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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.