Home / 35,645.26-49,189.47-20,331.46

Finding the Fourth Proportional to 35,645.26, 49,189.47 and 20,331.46

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Solution

The fourth proportional to 35,645.26, 49,189.47 and 20,331.46 is: 28,056.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,645.26 : 49,189.47 = 20,331.46 : x
  2. Step 2: Convert to fraction form
    35,645.26/49,189.47 = 20,331.46/x
  3. Step 3: Cross multiply
    35,645.26x = 49,189.47 × 20,331.46
  4. Step 4: Simplify right side
    35,645.26x = 1,000,093,618.75
  5. Step 5: Solve for x
    x = 1,000,093,618.75/35,645.26
  6. Step 6: Final answer
    x = 28,056.85

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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.