Home / 45,987.43-68,966.57-19,685.11

Finding the Fourth Proportional to 45,987.43, 68,966.57 and 19,685.11

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Solution

The fourth proportional to 45,987.43, 68,966.57 and 19,685.11 is: 29,521.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,987.43 : 68,966.57 = 19,685.11 : x
  2. Step 2: Convert to fraction form
    45,987.43/68,966.57 = 19,685.11/x
  3. Step 3: Cross multiply
    45,987.43x = 68,966.57 × 19,685.11
  4. Step 4: Simplify right side
    45,987.43x = 1,357,614,418.35
  5. Step 5: Solve for x
    x = 1,357,614,418.35/45,987.43
  6. Step 6: Final answer
    x = 29,521.42

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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.