Home / 54,291.44-74,929.59-30,423.17

Finding the Fourth Proportional to 54,291.44, 74,929.59 and 30,423.17

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Solution

The fourth proportional to 54,291.44, 74,929.59 and 30,423.17 is: 41,988.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,291.44 : 74,929.59 = 30,423.17 : x
  2. Step 2: Convert to fraction form
    54,291.44/74,929.59 = 30,423.17/x
  3. Step 3: Cross multiply
    54,291.44x = 74,929.59 × 30,423.17
  4. Step 4: Simplify right side
    54,291.44x = 2,279,595,502.48
  5. Step 5: Solve for x
    x = 2,279,595,502.48/54,291.44
  6. Step 6: Final answer
    x = 41,988.12

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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.