Home / 34,349.40-47,399.99-20,199.51

Finding the Fourth Proportional to 34,349.40, 47,399.99 and 20,199.51

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Solution

The fourth proportional to 34,349.40, 47,399.99 and 20,199.51 is: 27,874.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,349.40 : 47,399.99 = 20,199.51 : x
  2. Step 2: Convert to fraction form
    34,349.40/47,399.99 = 20,199.51/x
  3. Step 3: Cross multiply
    34,349.40x = 47,399.99 × 20,199.51
  4. Step 4: Simplify right side
    34,349.40x = 957,456,471.01
  5. Step 5: Solve for x
    x = 957,456,471.01/34,349.40
  6. Step 6: Final answer
    x = 27,874.04

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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.