Home / 48,611.20-72,914.64-13,550.08

Finding the Fourth Proportional to 48,611.20, 72,914.64 and 13,550.08

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Solution

The fourth proportional to 48,611.20, 72,914.64 and 13,550.08 is: 20,324.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,611.20 : 72,914.64 = 13,550.08 : x
  2. Step 2: Convert to fraction form
    48,611.20/72,914.64 = 13,550.08/x
  3. Step 3: Cross multiply
    48,611.20x = 72,914.64 × 13,550.08
  4. Step 4: Simplify right side
    48,611.20x = 987,999,205.17
  5. Step 5: Solve for x
    x = 987,999,205.17/48,611.20
  6. Step 6: Final answer
    x = 20,324.52

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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.