Home / 40,270.82-60,390.84-13,246.88

Finding the Fourth Proportional to 40,270.82, 60,390.84 and 13,246.88

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Solution

The fourth proportional to 40,270.82, 60,390.84 and 13,246.88 is: 19,865.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,270.82 : 60,390.84 = 13,246.88 : x
  2. Step 2: Convert to fraction form
    40,270.82/60,390.84 = 13,246.88/x
  3. Step 3: Cross multiply
    40,270.82x = 60,390.84 × 13,246.88
  4. Step 4: Simplify right side
    40,270.82x = 799,989,908.63
  5. Step 5: Solve for x
    x = 799,989,908.63/40,270.82
  6. Step 6: Final answer
    x = 19,865.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.