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Finding the Fourth Proportional to 50,889.54, 70,224.08 and 28,227.63

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Solution

The fourth proportional to 50,889.54, 70,224.08 and 28,227.63 is: 38,952.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,889.54 : 70,224.08 = 28,227.63 : x
  2. Step 2: Convert to fraction form
    50,889.54/70,224.08 = 28,227.63/x
  3. Step 3: Cross multiply
    50,889.54x = 70,224.08 × 28,227.63
  4. Step 4: Simplify right side
    50,889.54x = 1,982,259,206.19
  5. Step 5: Solve for x
    x = 1,982,259,206.19/50,889.54
  6. Step 6: Final answer
    x = 38,952.19

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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.