Home / 45,745.17-68,590.63-14,145.87

Finding the Fourth Proportional to 45,745.17, 68,590.63 and 14,145.87

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Solution

The fourth proportional to 45,745.17, 68,590.63 and 14,145.87 is: 21,210.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,745.17 : 68,590.63 = 14,145.87 : x
  2. Step 2: Convert to fraction form
    45,745.17/68,590.63 = 14,145.87/x
  3. Step 3: Cross multiply
    45,745.17x = 68,590.63 × 14,145.87
  4. Step 4: Simplify right side
    45,745.17x = 970,274,135.20
  5. Step 5: Solve for x
    x = 970,274,135.20/45,745.17
  6. Step 6: Final answer
    x = 21,210.42

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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.