Home / 36,780.86-55,128.08-17,017.66

Finding the Fourth Proportional to 36,780.86, 55,128.08 and 17,017.66

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Solution

The fourth proportional to 36,780.86, 55,128.08 and 17,017.66 is: 25,506.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,780.86 : 55,128.08 = 17,017.66 : x
  2. Step 2: Convert to fraction form
    36,780.86/55,128.08 = 17,017.66/x
  3. Step 3: Cross multiply
    36,780.86x = 55,128.08 × 17,017.66
  4. Step 4: Simplify right side
    36,780.86x = 938,150,921.89
  5. Step 5: Solve for x
    x = 938,150,921.89/36,780.86
  6. Step 6: Final answer
    x = 25,506.50

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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.