Home / 20,588.54-30,882.38-20,041.78

Finding the Fourth Proportional to 20,588.54, 30,882.38 and 20,041.78

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Solution

The fourth proportional to 20,588.54, 30,882.38 and 20,041.78 is: 30,062.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,588.54 : 30,882.38 = 20,041.78 : x
  2. Step 2: Convert to fraction form
    20,588.54/30,882.38 = 20,041.78/x
  3. Step 3: Cross multiply
    20,588.54x = 30,882.38 × 20,041.78
  4. Step 4: Simplify right side
    20,588.54x = 618,937,865.84
  5. Step 5: Solve for x
    x = 618,937,865.84/20,588.54
  6. Step 6: Final answer
    x = 30,062.25

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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.