Home / 48,179.36-66,509.80-28,028.88

Finding the Fourth Proportional to 48,179.36, 66,509.80 and 28,028.88

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Solution

The fourth proportional to 48,179.36, 66,509.80 and 28,028.88 is: 38,692.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,179.36 : 66,509.80 = 28,028.88 : x
  2. Step 2: Convert to fraction form
    48,179.36/66,509.80 = 28,028.88/x
  3. Step 3: Cross multiply
    48,179.36x = 66,509.80 × 28,028.88
  4. Step 4: Simplify right side
    48,179.36x = 1,864,195,203.02
  5. Step 5: Solve for x
    x = 1,864,195,203.02/48,179.36
  6. Step 6: Final answer
    x = 38,692.82

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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.