Home / 39,143.33-58,713.41-18,076.45

Finding the Fourth Proportional to 39,143.33, 58,713.41 and 18,076.45

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Solution

The fourth proportional to 39,143.33, 58,713.41 and 18,076.45 is: 27,113.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,143.33 : 58,713.41 = 18,076.45 : x
  2. Step 2: Convert to fraction form
    39,143.33/58,713.41 = 18,076.45/x
  3. Step 3: Cross multiply
    39,143.33x = 58,713.41 × 18,076.45
  4. Step 4: Simplify right side
    39,143.33x = 1,061,329,927.01
  5. Step 5: Solve for x
    x = 1,061,329,927.01/39,143.33
  6. Step 6: Final answer
    x = 27,113.94

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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.