Home / 37,130.99-51,240.54-20,135.27

Finding the Fourth Proportional to 37,130.99, 51,240.54 and 20,135.27

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Solution

The fourth proportional to 37,130.99, 51,240.54 and 20,135.27 is: 27,786.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,130.99 : 51,240.54 = 20,135.27 : x
  2. Step 2: Convert to fraction form
    37,130.99/51,240.54 = 20,135.27/x
  3. Step 3: Cross multiply
    37,130.99x = 51,240.54 × 20,135.27
  4. Step 4: Simplify right side
    37,130.99x = 1,031,741,851.64
  5. Step 5: Solve for x
    x = 1,031,741,851.64/37,130.99
  6. Step 6: Final answer
    x = 27,786.55

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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.