Home / 34,103.85-51,155.88-11,917.23

Finding the Fourth Proportional to 34,103.85, 51,155.88 and 11,917.23

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Solution

The fourth proportional to 34,103.85, 51,155.88 and 11,917.23 is: 17,875.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,103.85 : 51,155.88 = 11,917.23 : x
  2. Step 2: Convert to fraction form
    34,103.85/51,155.88 = 11,917.23/x
  3. Step 3: Cross multiply
    34,103.85x = 51,155.88 × 11,917.23
  4. Step 4: Simplify right side
    34,103.85x = 609,636,387.81
  5. Step 5: Solve for x
    x = 609,636,387.81/34,103.85
  6. Step 6: Final answer
    x = 17,875.88

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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.