Home / 48,128.22-66,415.03-26,616.56

Finding the Fourth Proportional to 48,128.22, 66,415.03 and 26,616.56

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Solution

The fourth proportional to 48,128.22, 66,415.03 and 26,616.56 is: 36,729.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,128.22 : 66,415.03 = 26,616.56 : x
  2. Step 2: Convert to fraction form
    48,128.22/66,415.03 = 26,616.56/x
  3. Step 3: Cross multiply
    48,128.22x = 66,415.03 × 26,616.56
  4. Step 4: Simplify right side
    48,128.22x = 1,767,739,630.90
  5. Step 5: Solve for x
    x = 1,767,739,630.90/48,128.22
  6. Step 6: Final answer
    x = 36,729.79

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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.