Home / 39,838.80-59,758.20-11,759.24

Finding the Fourth Proportional to 39,838.80, 59,758.20 and 11,759.24

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Solution

The fourth proportional to 39,838.80, 59,758.20 and 11,759.24 is: 17,638.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,838.80 : 59,758.20 = 11,759.24 : x
  2. Step 2: Convert to fraction form
    39,838.80/59,758.20 = 11,759.24/x
  3. Step 3: Cross multiply
    39,838.80x = 59,758.20 × 11,759.24
  4. Step 4: Simplify right side
    39,838.80x = 702,711,015.77
  5. Step 5: Solve for x
    x = 702,711,015.77/39,838.80
  6. Step 6: Final answer
    x = 17,638.86

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.