Home / 50,856.18-70,185.68-28,202.28

Finding the Fourth Proportional to 50,856.18, 70,185.68 and 28,202.28

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Solution

The fourth proportional to 50,856.18, 70,185.68 and 28,202.28 is: 38,921.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,856.18 : 70,185.68 = 28,202.28 : x
  2. Step 2: Convert to fraction form
    50,856.18/70,185.68 = 28,202.28/x
  3. Step 3: Cross multiply
    50,856.18x = 70,185.68 × 28,202.28
  4. Step 4: Simplify right side
    50,856.18x = 1,979,395,707.41
  5. Step 5: Solve for x
    x = 1,979,395,707.41/50,856.18
  6. Step 6: Final answer
    x = 38,921.44

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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.