Home / 37,132.51-51,242.87-20,136.75

Finding the Fourth Proportional to 37,132.51, 51,242.87 and 20,136.75

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Solution

The fourth proportional to 37,132.51, 51,242.87 and 20,136.75 is: 27,788.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,132.51 : 51,242.87 = 20,136.75 : x
  2. Step 2: Convert to fraction form
    37,132.51/51,242.87 = 20,136.75/x
  3. Step 3: Cross multiply
    37,132.51x = 51,242.87 × 20,136.75
  4. Step 4: Simplify right side
    37,132.51x = 1,031,864,645.14
  5. Step 5: Solve for x
    x = 1,031,864,645.14/37,132.51
  6. Step 6: Final answer
    x = 27,788.71

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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.