Home / 45,729.49-68,549.61-19,083.15

Finding the Fourth Proportional to 45,729.49, 68,549.61 and 19,083.15

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Solution

The fourth proportional to 45,729.49, 68,549.61 and 19,083.15 is: 28,606.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,729.49 : 68,549.61 = 19,083.15 : x
  2. Step 2: Convert to fraction form
    45,729.49/68,549.61 = 19,083.15/x
  3. Step 3: Cross multiply
    45,729.49x = 68,549.61 × 19,083.15
  4. Step 4: Simplify right side
    45,729.49x = 1,308,142,818.69
  5. Step 5: Solve for x
    x = 1,308,142,818.69/45,729.49
  6. Step 6: Final answer
    x = 28,606.11

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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.