Home / 48,619.32-72,929.56-13,556.84

Finding the Fourth Proportional to 48,619.32, 72,929.56 and 13,556.84

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Solution

The fourth proportional to 48,619.32, 72,929.56 and 13,556.84 is: 20,335.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,619.32 : 72,929.56 = 13,556.84 : x
  2. Step 2: Convert to fraction form
    48,619.32/72,929.56 = 13,556.84/x
  3. Step 3: Cross multiply
    48,619.32x = 72,929.56 × 13,556.84
  4. Step 4: Simplify right side
    48,619.32x = 988,694,376.19
  5. Step 5: Solve for x
    x = 988,694,376.19/48,619.32
  6. Step 6: Final answer
    x = 20,335.42

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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.