Home / 36,783.10-55,131.45-17,019.91

Finding the Fourth Proportional to 36,783.10, 55,131.45 and 17,019.91

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Solution

The fourth proportional to 36,783.10, 55,131.45 and 17,019.91 is: 25,509.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,783.10 : 55,131.45 = 17,019.91 : x
  2. Step 2: Convert to fraction form
    36,783.10/55,131.45 = 17,019.91/x
  3. Step 3: Cross multiply
    36,783.10x = 55,131.45 × 17,019.91
  4. Step 4: Simplify right side
    36,783.10x = 938,332,317.17
  5. Step 5: Solve for x
    x = 938,332,317.17/36,783.10
  6. Step 6: Final answer
    x = 25,509.88

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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.