Home / 50,531.79-69,734.40-27,871.74

Finding the Fourth Proportional to 50,531.79, 69,734.40 and 27,871.74

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Solution

The fourth proportional to 50,531.79, 69,734.40 and 27,871.74 is: 38,463.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,531.79 : 69,734.40 = 27,871.74 : x
  2. Step 2: Convert to fraction form
    50,531.79/69,734.40 = 27,871.74/x
  3. Step 3: Cross multiply
    50,531.79x = 69,734.40 × 27,871.74
  4. Step 4: Simplify right side
    50,531.79x = 1,943,619,065.86
  5. Step 5: Solve for x
    x = 1,943,619,065.86/50,531.79
  6. Step 6: Final answer
    x = 38,463.29

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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.