Home / 45,641.28-62,981.92-25,768

Finding the Fourth Proportional to 45,641.28, 62,981.92 and 25,768

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Solution

The fourth proportional to 45,641.28, 62,981.92 and 25,768 is: 35,558.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,641.28 : 62,981.92 = 25,768 : x
  2. Step 2: Convert to fraction form
    45,641.28/62,981.92 = 25,768/x
  3. Step 3: Cross multiply
    45,641.28x = 62,981.92 × 25,768
  4. Step 4: Simplify right side
    45,641.28x = 1,622,918,114.56
  5. Step 5: Solve for x
    x = 1,622,918,114.56/45,641.28
  6. Step 6: Final answer
    x = 35,558.12

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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.