Home / 55,901.09-77,136.49-37,791.21

Finding the Fourth Proportional to 55,901.09, 77,136.49 and 37,791.21

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Solution

The fourth proportional to 55,901.09, 77,136.49 and 37,791.21 is: 52,147.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,901.09 : 77,136.49 = 37,791.21 : x
  2. Step 2: Convert to fraction form
    55,901.09/77,136.49 = 37,791.21/x
  3. Step 3: Cross multiply
    55,901.09x = 77,136.49 × 37,791.21
  4. Step 4: Simplify right side
    55,901.09x = 2,915,081,292.25
  5. Step 5: Solve for x
    x = 2,915,081,292.25/55,901.09
  6. Step 6: Final answer
    x = 52,147.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.