Home / 45,648.28-62,991.58-25,775

Finding the Fourth Proportional to 45,648.28, 62,991.58 and 25,775

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Solution

The fourth proportional to 45,648.28, 62,991.58 and 25,775 is: 35,567.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,648.28 : 62,991.58 = 25,775 : x
  2. Step 2: Convert to fraction form
    45,648.28/62,991.58 = 25,775/x
  3. Step 3: Cross multiply
    45,648.28x = 62,991.58 × 25,775
  4. Step 4: Simplify right side
    45,648.28x = 1,623,607,974.50
  5. Step 5: Solve for x
    x = 1,623,607,974.50/45,648.28
  6. Step 6: Final answer
    x = 35,567.78

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1.5x scale

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.