Home / 50,688.72-69,948.44-30,274.23

Finding the Fourth Proportional to 50,688.72, 69,948.44 and 30,274.23

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Solution

The fourth proportional to 50,688.72, 69,948.44 and 30,274.23 is: 41,777.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,688.72 : 69,948.44 = 30,274.23 : x
  2. Step 2: Convert to fraction form
    50,688.72/69,948.44 = 30,274.23/x
  3. Step 3: Cross multiply
    50,688.72x = 69,948.44 × 30,274.23
  4. Step 4: Simplify right side
    50,688.72x = 2,117,635,160.70
  5. Step 5: Solve for x
    x = 2,117,635,160.70/50,688.72
  6. Step 6: Final answer
    x = 41,777.25

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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.