Home / 54,276.35-74,899.19-30,401.81

Finding the Fourth Proportional to 54,276.35, 74,899.19 and 30,401.81

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Solution

The fourth proportional to 54,276.35, 74,899.19 and 30,401.81 is: 41,953.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,276.35 : 74,899.19 = 30,401.81 : x
  2. Step 2: Convert to fraction form
    54,276.35/74,899.19 = 30,401.81/x
  3. Step 3: Cross multiply
    54,276.35x = 74,899.19 × 30,401.81
  4. Step 4: Simplify right side
    54,276.35x = 2,277,070,943.53
  5. Step 5: Solve for x
    x = 2,277,070,943.53/54,276.35
  6. Step 6: Final answer
    x = 41,953.28

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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.