Home / 39,516.60-59,285.82-21,998.70

Finding the Fourth Proportional to 39,516.60, 59,285.82 and 21,998.70

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Solution

The fourth proportional to 39,516.60, 59,285.82 and 21,998.70 is: 33,004.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,516.60 : 59,285.82 = 21,998.70 : x
  2. Step 2: Convert to fraction form
    39,516.60/59,285.82 = 21,998.70/x
  3. Step 3: Cross multiply
    39,516.60x = 59,285.82 × 21,998.70
  4. Step 4: Simplify right side
    39,516.60x = 1,304,210,968.43
  5. Step 5: Solve for x
    x = 1,304,210,968.43/39,516.60
  6. Step 6: Final answer
    x = 33,004.13

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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.