Home / 61,125.27-91,657.67-21,676.47

Finding the Fourth Proportional to 61,125.27, 91,657.67 and 21,676.47

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Solution

The fourth proportional to 61,125.27, 91,657.67 and 21,676.47 is: 32,503.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,125.27 : 91,657.67 = 21,676.47 : x
  2. Step 2: Convert to fraction form
    61,125.27/91,657.67 = 21,676.47/x
  3. Step 3: Cross multiply
    61,125.27x = 91,657.67 × 21,676.47
  4. Step 4: Simplify right side
    61,125.27x = 1,986,814,625.64
  5. Step 5: Solve for x
    x = 1,986,814,625.64/61,125.27
  6. Step 6: Final answer
    x = 32,503.98

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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.