Home / 37,143.51-51,257.61-20,147.43

Finding the Fourth Proportional to 37,143.51, 51,257.61 and 20,147.43

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Solution

The fourth proportional to 37,143.51, 51,257.61 and 20,147.43 is: 27,803.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,143.51 : 51,257.61 = 20,147.43 : x
  2. Step 2: Convert to fraction form
    37,143.51/51,257.61 = 20,147.43/x
  3. Step 3: Cross multiply
    37,143.51x = 51,257.61 × 20,147.43
  4. Step 4: Simplify right side
    37,143.51x = 1,032,709,301.66
  5. Step 5: Solve for x
    x = 1,032,709,301.66/37,143.51
  6. Step 6: Final answer
    x = 27,803.22

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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.