Home / 45,812.98-63,221.10-25,669.80

Finding the Fourth Proportional to 45,812.98, 63,221.10 and 25,669.80

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Solution

The fourth proportional to 45,812.98, 63,221.10 and 25,669.80 is: 35,423.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,812.98 : 63,221.10 = 25,669.80 : x
  2. Step 2: Convert to fraction form
    45,812.98/63,221.10 = 25,669.80/x
  3. Step 3: Cross multiply
    45,812.98x = 63,221.10 × 25,669.80
  4. Step 4: Simplify right side
    45,812.98x = 1,622,872,992.78
  5. Step 5: Solve for x
    x = 1,622,872,992.78/45,812.98
  6. Step 6: Final answer
    x = 35,423.87

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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.