Home / 50,862.27-70,189.20-28,201.30

Finding the Fourth Proportional to 50,862.27, 70,189.20 and 28,201.30

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Solution

The fourth proportional to 50,862.27, 70,189.20 and 28,201.30 is: 38,917.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,862.27 : 70,189.20 = 28,201.30 : x
  2. Step 2: Convert to fraction form
    50,862.27/70,189.20 = 28,201.30/x
  3. Step 3: Cross multiply
    50,862.27x = 70,189.20 × 28,201.30
  4. Step 4: Simplify right side
    50,862.27x = 1,979,426,685.96
  5. Step 5: Solve for x
    x = 1,979,426,685.96/50,862.27
  6. Step 6: Final answer
    x = 38,917.39

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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.