Home / 48,259.32-72,380.88-13,192.80

Finding the Fourth Proportional to 48,259.32, 72,380.88 and 13,192.80

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Solution

The fourth proportional to 48,259.32, 72,380.88 and 13,192.80 is: 19,786.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,259.32 : 72,380.88 = 13,192.80 : x
  2. Step 2: Convert to fraction form
    48,259.32/72,380.88 = 13,192.80/x
  3. Step 3: Cross multiply
    48,259.32x = 72,380.88 × 13,192.80
  4. Step 4: Simplify right side
    48,259.32x = 954,906,473.66
  5. Step 5: Solve for x
    x = 954,906,473.66/48,259.32
  6. Step 6: Final answer
    x = 19,786.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.