Home / 48,240.12-66,579.36-33,120.40

Finding the Fourth Proportional to 48,240.12, 66,579.36 and 33,120.40

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Solution

The fourth proportional to 48,240.12, 66,579.36 and 33,120.40 is: 45,711.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,240.12 : 66,579.36 = 33,120.40 : x
  2. Step 2: Convert to fraction form
    48,240.12/66,579.36 = 33,120.40/x
  3. Step 3: Cross multiply
    48,240.12x = 66,579.36 × 33,120.40
  4. Step 4: Simplify right side
    48,240.12x = 2,205,135,034.94
  5. Step 5: Solve for x
    x = 2,205,135,034.94/48,240.12
  6. Step 6: Final answer
    x = 45,711.64

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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.