Home / 48,319.94-72,479.01-19,850.84

Finding the Fourth Proportional to 48,319.94, 72,479.01 and 19,850.84

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Solution

The fourth proportional to 48,319.94, 72,479.01 and 19,850.84 is: 29,775.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,319.94 : 72,479.01 = 19,850.84 : x
  2. Step 2: Convert to fraction form
    48,319.94/72,479.01 = 19,850.84/x
  3. Step 3: Cross multiply
    48,319.94x = 72,479.01 × 19,850.84
  4. Step 4: Simplify right side
    48,319.94x = 1,438,769,412.07
  5. Step 5: Solve for x
    x = 1,438,769,412.07/48,319.94
  6. Step 6: Final answer
    x = 29,775.90

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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.