Home / 48,870.94-67,449.09-30,967.60

Finding the Fourth Proportional to 48,870.94, 67,449.09 and 30,967.60

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Solution

The fourth proportional to 48,870.94, 67,449.09 and 30,967.60 is: 42,739.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,870.94 : 67,449.09 = 30,967.60 : x
  2. Step 2: Convert to fraction form
    48,870.94/67,449.09 = 30,967.60/x
  3. Step 3: Cross multiply
    48,870.94x = 67,449.09 × 30,967.60
  4. Step 4: Simplify right side
    48,870.94x = 2,088,736,439.48
  5. Step 5: Solve for x
    x = 2,088,736,439.48/48,870.94
  6. Step 6: Final answer
    x = 42,739.85

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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.