Home / 49,481.36-74,225.40-19,899.20

Finding the Fourth Proportional to 49,481.36, 74,225.40 and 19,899.20

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Solution

The fourth proportional to 49,481.36, 74,225.40 and 19,899.20 is: 29,850.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,481.36 : 74,225.40 = 19,899.20 : x
  2. Step 2: Convert to fraction form
    49,481.36/74,225.40 = 19,899.20/x
  3. Step 3: Cross multiply
    49,481.36x = 74,225.40 × 19,899.20
  4. Step 4: Simplify right side
    49,481.36x = 1,477,026,079.68
  5. Step 5: Solve for x
    x = 1,477,026,079.68/49,481.36
  6. Step 6: Final answer
    x = 29,850.15

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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.