Home / 37,189.28-55,728.54-20,554.07

Finding the Fourth Proportional to 37,189.28, 55,728.54 and 20,554.07

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Solution

The fourth proportional to 37,189.28, 55,728.54 and 20,554.07 is: 30,800.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,189.28 : 55,728.54 = 20,554.07 : x
  2. Step 2: Convert to fraction form
    37,189.28/55,728.54 = 20,554.07/x
  3. Step 3: Cross multiply
    37,189.28x = 55,728.54 × 20,554.07
  4. Step 4: Simplify right side
    37,189.28x = 1,145,448,033.52
  5. Step 5: Solve for x
    x = 1,145,448,033.52/37,189.28
  6. Step 6: Final answer
    x = 30,800.49

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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.