Home / 61,289.10-91,931.82-16,918.56

Finding the Fourth Proportional to 61,289.10, 91,931.82 and 16,918.56

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Solution

The fourth proportional to 61,289.10, 91,931.82 and 16,918.56 is: 25,377.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,289.10 : 91,931.82 = 16,918.56 : x
  2. Step 2: Convert to fraction form
    61,289.10/91,931.82 = 16,918.56/x
  3. Step 3: Cross multiply
    61,289.10x = 91,931.82 × 16,918.56
  4. Step 4: Simplify right side
    61,289.10x = 1,555,354,012.58
  5. Step 5: Solve for x
    x = 1,555,354,012.58/61,289.10
  6. Step 6: Final answer
    x = 25,377.33

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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.