Home / 51,070.84-76,641.50-17,791.18

Finding the Fourth Proportional to 51,070.84, 76,641.50 and 17,791.18

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Solution

The fourth proportional to 51,070.84, 76,641.50 and 17,791.18 is: 26,699.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,070.84 : 76,641.50 = 17,791.18 : x
  2. Step 2: Convert to fraction form
    51,070.84/76,641.50 = 17,791.18/x
  3. Step 3: Cross multiply
    51,070.84x = 76,641.50 × 17,791.18
  4. Step 4: Simplify right side
    51,070.84x = 1,363,542,721.97
  5. Step 5: Solve for x
    x = 1,363,542,721.97/51,070.84
  6. Step 6: Final answer
    x = 26,699.05

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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.