Home / 36,128.40-54,250.20-26,336.40

Finding the Fourth Proportional to 36,128.40, 54,250.20 and 26,336.40

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Solution

The fourth proportional to 36,128.40, 54,250.20 and 26,336.40 is: 39,546.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,128.40 : 54,250.20 = 26,336.40 : x
  2. Step 2: Convert to fraction form
    36,128.40/54,250.20 = 26,336.40/x
  3. Step 3: Cross multiply
    36,128.40x = 54,250.20 × 26,336.40
  4. Step 4: Simplify right side
    36,128.40x = 1,428,754,967.28
  5. Step 5: Solve for x
    x = 1,428,754,967.28/36,128.40
  6. Step 6: Final answer
    x = 39,546.59

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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.