Home / 39,451.05-59,124.74-18,680.49

Finding the Fourth Proportional to 39,451.05, 59,124.74 and 18,680.49

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Solution

The fourth proportional to 39,451.05, 59,124.74 and 18,680.49 is: 27,996.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,451.05 : 59,124.74 = 18,680.49 : x
  2. Step 2: Convert to fraction form
    39,451.05/59,124.74 = 18,680.49/x
  3. Step 3: Cross multiply
    39,451.05x = 59,124.74 × 18,680.49
  4. Step 4: Simplify right side
    39,451.05x = 1,104,479,020.92
  5. Step 5: Solve for x
    x = 1,104,479,020.92/39,451.05
  6. Step 6: Final answer
    x = 27,996.19

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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.