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Finding the Fourth Proportional to 48,119, 66,404.22 and 26,897.82

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Solution

The fourth proportional to 48,119, 66,404.22 and 26,897.82 is: 37,118.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,119 : 66,404.22 = 26,897.82 : x
  2. Step 2: Convert to fraction form
    48,119/66,404.22 = 26,897.82/x
  3. Step 3: Cross multiply
    48,119x = 66,404.22 × 26,897.82
  4. Step 4: Simplify right side
    48,119x = 1,786,128,756.80
  5. Step 5: Solve for x
    x = 1,786,128,756.80/48,119
  6. Step 6: Final answer
    x = 37,118.99

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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.