Home / 50,659.40-69,911.36-27,999.84

Finding the Fourth Proportional to 50,659.40, 69,911.36 and 27,999.84

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Solution

The fourth proportional to 50,659.40, 69,911.36 and 27,999.84 is: 38,640.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,659.40 : 69,911.36 = 27,999.84 : x
  2. Step 2: Convert to fraction form
    50,659.40/69,911.36 = 27,999.84/x
  3. Step 3: Cross multiply
    50,659.40x = 69,911.36 × 27,999.84
  4. Step 4: Simplify right side
    50,659.40x = 1,957,506,754.18
  5. Step 5: Solve for x
    x = 1,957,506,754.18/50,659.40
  6. Step 6: Final answer
    x = 38,640.55

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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.