Home / 43,042.66-64,567.70-11,877.91

Finding the Fourth Proportional to 43,042.66, 64,567.70 and 11,877.91

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Solution

The fourth proportional to 43,042.66, 64,567.70 and 11,877.91 is: 17,817.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,042.66 : 64,567.70 = 11,877.91 : x
  2. Step 2: Convert to fraction form
    43,042.66/64,567.70 = 11,877.91/x
  3. Step 3: Cross multiply
    43,042.66x = 64,567.70 × 11,877.91
  4. Step 4: Simplify right side
    43,042.66x = 766,929,153.24
  5. Step 5: Solve for x
    x = 766,929,153.24/43,042.66
  6. Step 6: Final answer
    x = 17,817.89

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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.