Home / 42,360.21-63,536.87-14,279.66

Finding the Fourth Proportional to 42,360.21, 63,536.87 and 14,279.66

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Solution

The fourth proportional to 42,360.21, 63,536.87 and 14,279.66 is: 21,418.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,360.21 : 63,536.87 = 14,279.66 : x
  2. Step 2: Convert to fraction form
    42,360.21/63,536.87 = 14,279.66/x
  3. Step 3: Cross multiply
    42,360.21x = 63,536.87 × 14,279.66
  4. Step 4: Simplify right side
    42,360.21x = 907,284,511.98
  5. Step 5: Solve for x
    x = 907,284,511.98/42,360.21
  6. Step 6: Final answer
    x = 21,418.32

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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.