Home / 39,422.70-59,084.78-19,706.76

Finding the Fourth Proportional to 39,422.70, 59,084.78 and 19,706.76

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Solution

The fourth proportional to 39,422.70, 59,084.78 and 19,706.76 is: 29,535.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,422.70 : 59,084.78 = 19,706.76 : x
  2. Step 2: Convert to fraction form
    39,422.70/59,084.78 = 19,706.76/x
  3. Step 3: Cross multiply
    39,422.70x = 59,084.78 × 19,706.76
  4. Step 4: Simplify right side
    39,422.70x = 1,164,369,480.58
  5. Step 5: Solve for x
    x = 1,164,369,480.58/39,422.70
  6. Step 6: Final answer
    x = 29,535.51

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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.