Home / 45,987.18-68,966.19-19,684.86

Finding the Fourth Proportional to 45,987.18, 68,966.19 and 19,684.86

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Solution

The fourth proportional to 45,987.18, 68,966.19 and 19,684.86 is: 29,521.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,987.18 : 68,966.19 = 19,684.86 : x
  2. Step 2: Convert to fraction form
    45,987.18/68,966.19 = 19,684.86/x
  3. Step 3: Cross multiply
    45,987.18x = 68,966.19 × 19,684.86
  4. Step 4: Simplify right side
    45,987.18x = 1,357,589,794.88
  5. Step 5: Solve for x
    x = 1,357,589,794.88/45,987.18
  6. Step 6: Final answer
    x = 29,521.05

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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.