Home / 35,794.87-49,403.36-20,685.45

Finding the Fourth Proportional to 35,794.87, 49,403.36 and 20,685.45

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Solution

The fourth proportional to 35,794.87, 49,403.36 and 20,685.45 is: 28,549.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,794.87 : 49,403.36 = 20,685.45 : x
  2. Step 2: Convert to fraction form
    35,794.87/49,403.36 = 20,685.45/x
  3. Step 3: Cross multiply
    35,794.87x = 49,403.36 × 20,685.45
  4. Step 4: Simplify right side
    35,794.87x = 1,021,930,733.11
  5. Step 5: Solve for x
    x = 1,021,930,733.11/35,794.87
  6. Step 6: Final answer
    x = 28,549.64

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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.