Home / 52,791.49-79,131.61-19,490.23

Finding the Fourth Proportional to 52,791.49, 79,131.61 and 19,490.23

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Solution

The fourth proportional to 52,791.49, 79,131.61 and 19,490.23 is: 29,214.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,791.49 : 79,131.61 = 19,490.23 : x
  2. Step 2: Convert to fraction form
    52,791.49/79,131.61 = 19,490.23/x
  3. Step 3: Cross multiply
    52,791.49x = 79,131.61 × 19,490.23
  4. Step 4: Simplify right side
    52,791.49x = 1,542,293,279.17
  5. Step 5: Solve for x
    x = 1,542,293,279.17/52,791.49
  6. Step 6: Final answer
    x = 29,214.81

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1.5x scale

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.