Home / 50,661.78-69,911.08-27,999.60

Finding the Fourth Proportional to 50,661.78, 69,911.08 and 27,999.60

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Solution

The fourth proportional to 50,661.78, 69,911.08 and 27,999.60 is: 38,638.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,661.78 : 69,911.08 = 27,999.60 : x
  2. Step 2: Convert to fraction form
    50,661.78/69,911.08 = 27,999.60/x
  3. Step 3: Cross multiply
    50,661.78x = 69,911.08 × 27,999.60
  4. Step 4: Simplify right side
    50,661.78x = 1,957,482,275.57
  5. Step 5: Solve for x
    x = 1,957,482,275.57/50,661.78
  6. Step 6: Final answer
    x = 38,638.25

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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.