Home / 47,920.88-66,131.26-26,411.39

Finding the Fourth Proportional to 47,920.88, 66,131.26 and 26,411.39

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Solution

The fourth proportional to 47,920.88, 66,131.26 and 26,411.39 is: 36,447.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,920.88 : 66,131.26 = 26,411.39 : x
  2. Step 2: Convert to fraction form
    47,920.88/66,131.26 = 26,411.39/x
  3. Step 3: Cross multiply
    47,920.88x = 66,131.26 × 26,411.39
  4. Step 4: Simplify right side
    47,920.88x = 1,746,618,499.05
  5. Step 5: Solve for x
    x = 1,746,618,499.05/47,920.88
  6. Step 6: Final answer
    x = 36,447.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.