Home / 50,638.76-69,881.14-27,979.28

Finding the Fourth Proportional to 50,638.76, 69,881.14 and 27,979.28

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Solution

The fourth proportional to 50,638.76, 69,881.14 and 27,979.28 is: 38,611.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,638.76 : 69,881.14 = 27,979.28 : x
  2. Step 2: Convert to fraction form
    50,638.76/69,881.14 = 27,979.28/x
  3. Step 3: Cross multiply
    50,638.76x = 69,881.14 × 27,979.28
  4. Step 4: Simplify right side
    50,638.76x = 1,955,223,982.78
  5. Step 5: Solve for x
    x = 1,955,223,982.78/50,638.76
  6. Step 6: Final answer
    x = 38,611.21

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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.