Home / 48,859.05-73,323.57-20,798.78

Finding the Fourth Proportional to 48,859.05, 73,323.57 and 20,798.78

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Solution

The fourth proportional to 48,859.05, 73,323.57 and 20,798.78 is: 31,213.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,859.05 : 73,323.57 = 20,798.78 : x
  2. Step 2: Convert to fraction form
    48,859.05/73,323.57 = 20,798.78/x
  3. Step 3: Cross multiply
    48,859.05x = 73,323.57 × 20,798.78
  4. Step 4: Simplify right side
    48,859.05x = 1,525,040,801.24
  5. Step 5: Solve for x
    x = 1,525,040,801.24/48,859.05
  6. Step 6: Final answer
    x = 31,213.07

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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.