Home / 45,647.28-62,990.20-25,774

Finding the Fourth Proportional to 45,647.28, 62,990.20 and 25,774

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Solution

The fourth proportional to 45,647.28, 62,990.20 and 25,774 is: 35,566.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,647.28 : 62,990.20 = 25,774 : x
  2. Step 2: Convert to fraction form
    45,647.28/62,990.20 = 25,774/x
  3. Step 3: Cross multiply
    45,647.28x = 62,990.20 × 25,774
  4. Step 4: Simplify right side
    45,647.28x = 1,623,509,414.80
  5. Step 5: Solve for x
    x = 1,623,509,414.80/45,647.28
  6. Step 6: Final answer
    x = 35,566.40

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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.