Home / 42,339.21-63,486.10-14,249.94

Finding the Fourth Proportional to 42,339.21, 63,486.10 and 14,249.94

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Solution

The fourth proportional to 42,339.21, 63,486.10 and 14,249.94 is: 21,367.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,339.21 : 63,486.10 = 14,249.94 : x
  2. Step 2: Convert to fraction form
    42,339.21/63,486.10 = 14,249.94/x
  3. Step 3: Cross multiply
    42,339.21x = 63,486.10 × 14,249.94
  4. Step 4: Simplify right side
    42,339.21x = 904,673,115.83
  5. Step 5: Solve for x
    x = 904,673,115.83/42,339.21
  6. Step 6: Final answer
    x = 21,367.26

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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.