Home / 48,652.80-67,141.35-28,521.60

Finding the Fourth Proportional to 48,652.80, 67,141.35 and 28,521.60

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Solution

The fourth proportional to 48,652.80, 67,141.35 and 28,521.60 is: 39,360.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,652.80 : 67,141.35 = 28,521.60 : x
  2. Step 2: Convert to fraction form
    48,652.80/67,141.35 = 28,521.60/x
  3. Step 3: Cross multiply
    48,652.80x = 67,141.35 × 28,521.60
  4. Step 4: Simplify right side
    48,652.80x = 1,914,978,728.16
  5. Step 5: Solve for x
    x = 1,914,978,728.16/48,652.80
  6. Step 6: Final answer
    x = 39,360.09

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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.