Home / 49,832.64-74,778.42-20,248.20

Finding the Fourth Proportional to 49,832.64, 74,778.42 and 20,248.20

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Solution

The fourth proportional to 49,832.64, 74,778.42 and 20,248.20 is: 30,384.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,832.64 : 74,778.42 = 20,248.20 : x
  2. Step 2: Convert to fraction form
    49,832.64/74,778.42 = 20,248.20/x
  3. Step 3: Cross multiply
    49,832.64x = 74,778.42 × 20,248.20
  4. Step 4: Simplify right side
    49,832.64x = 1,514,128,403.84
  5. Step 5: Solve for x
    x = 1,514,128,403.84/49,832.64
  6. Step 6: Final answer
    x = 30,384.27

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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.