Home / 49,388.40-74,066.40-18,219.60

Finding the Fourth Proportional to 49,388.40, 74,066.40 and 18,219.60

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Solution

The fourth proportional to 49,388.40, 74,066.40 and 18,219.60 is: 27,323.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,388.40 : 74,066.40 = 18,219.60 : x
  2. Step 2: Convert to fraction form
    49,388.40/74,066.40 = 18,219.60/x
  3. Step 3: Cross multiply
    49,388.40x = 74,066.40 × 18,219.60
  4. Step 4: Simplify right side
    49,388.40x = 1,349,460,181.44
  5. Step 5: Solve for x
    x = 1,349,460,181.44/49,388.40
  6. Step 6: Final answer
    x = 27,323.42

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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.