Home / 50,767.89-70,057.40-28,105.28

Finding the Fourth Proportional to 50,767.89, 70,057.40 and 28,105.28

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Solution

The fourth proportional to 50,767.89, 70,057.40 and 28,105.28 is: 38,784.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,767.89 : 70,057.40 = 28,105.28 : x
  2. Step 2: Convert to fraction form
    50,767.89/70,057.40 = 28,105.28/x
  3. Step 3: Cross multiply
    50,767.89x = 70,057.40 × 28,105.28
  4. Step 4: Simplify right side
    50,767.89x = 1,968,982,843.07
  5. Step 5: Solve for x
    x = 1,968,982,843.07/50,767.89
  6. Step 6: Final answer
    x = 38,784.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.