Home / 49,929.54-74,873.61-20,327.28

Finding the Fourth Proportional to 49,929.54, 74,873.61 and 20,327.28

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Solution

The fourth proportional to 49,929.54, 74,873.61 and 20,327.28 is: 30,482.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,929.54 : 74,873.61 = 20,327.28 : x
  2. Step 2: Convert to fraction form
    49,929.54/74,873.61 = 20,327.28/x
  3. Step 3: Cross multiply
    49,929.54x = 74,873.61 × 20,327.28
  4. Step 4: Simplify right side
    49,929.54x = 1,521,976,835.08
  5. Step 5: Solve for x
    x = 1,521,976,835.08/49,929.54
  6. Step 6: Final answer
    x = 30,482.49

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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.