Home / 50,415.20-69,572.96-28,064.48

Finding the Fourth Proportional to 50,415.20, 69,572.96 and 28,064.48

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Solution

The fourth proportional to 50,415.20, 69,572.96 and 28,064.48 is: 38,728.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,415.20 : 69,572.96 = 28,064.48 : x
  2. Step 2: Convert to fraction form
    50,415.20/69,572.96 = 28,064.48/x
  3. Step 3: Cross multiply
    50,415.20x = 69,572.96 × 28,064.48
  4. Step 4: Simplify right side
    50,415.20x = 1,952,528,456.27
  5. Step 5: Solve for x
    x = 1,952,528,456.27/50,415.20
  6. Step 6: Final answer
    x = 38,728.97

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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.