Home / 63,072.68-87,040.20-34,778.43

Finding the Fourth Proportional to 63,072.68, 87,040.20 and 34,778.43

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Solution

The fourth proportional to 63,072.68, 87,040.20 and 34,778.43 is: 47,994.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,072.68 : 87,040.20 = 34,778.43 : x
  2. Step 2: Convert to fraction form
    63,072.68/87,040.20 = 34,778.43/x
  3. Step 3: Cross multiply
    63,072.68x = 87,040.20 × 34,778.43
  4. Step 4: Simplify right side
    63,072.68x = 3,027,121,328.99
  5. Step 5: Solve for x
    x = 3,027,121,328.99/63,072.68
  6. Step 6: Final answer
    x = 47,994.18

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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.