Home / 53,491.28-73,796.36-30,818.12

Finding the Fourth Proportional to 53,491.28, 73,796.36 and 30,818.12

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Solution

The fourth proportional to 53,491.28, 73,796.36 and 30,818.12 is: 42,516.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,491.28 : 73,796.36 = 30,818.12 : x
  2. Step 2: Convert to fraction form
    53,491.28/73,796.36 = 30,818.12/x
  3. Step 3: Cross multiply
    53,491.28x = 73,796.36 × 30,818.12
  4. Step 4: Simplify right side
    53,491.28x = 2,274,264,554.97
  5. Step 5: Solve for x
    x = 2,274,264,554.97/53,491.28
  6. Step 6: Final answer
    x = 42,516.55

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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.