Home / 35,642.76-49,190.67-20,535.99

Finding the Fourth Proportional to 35,642.76, 49,190.67 and 20,535.99

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Solution

The fourth proportional to 35,642.76, 49,190.67 and 20,535.99 is: 28,341.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,642.76 : 49,190.67 = 20,535.99 : x
  2. Step 2: Convert to fraction form
    35,642.76/49,190.67 = 20,535.99/x
  3. Step 3: Cross multiply
    35,642.76x = 49,190.67 × 20,535.99
  4. Step 4: Simplify right side
    35,642.76x = 1,010,179,107.21
  5. Step 5: Solve for x
    x = 1,010,179,107.21/35,642.76
  6. Step 6: Final answer
    x = 28,341.78

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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.