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Finding the Fourth Proportional to 67,635.69, 101,466.29 and 20,877.63

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Solution

The fourth proportional to 67,635.69, 101,466.29 and 20,877.63 is: 31,320.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,635.69 : 101,466.29 = 20,877.63 : x
  2. Step 2: Convert to fraction form
    67,635.69/101,466.29 = 20,877.63/x
  3. Step 3: Cross multiply
    67,635.69x = 101,466.29 × 20,877.63
  4. Step 4: Simplify right side
    67,635.69x = 2,118,375,660.09
  5. Step 5: Solve for x
    x = 2,118,375,660.09/67,635.69
  6. Step 6: Final answer
    x = 31,320.38

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1.5x scale

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.