Home / 39,293.28-58,943.41-11,212.81

Finding the Fourth Proportional to 39,293.28, 58,943.41 and 11,212.81

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Solution

The fourth proportional to 39,293.28, 58,943.41 and 11,212.81 is: 16,820.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,293.28 : 58,943.41 = 11,212.81 : x
  2. Step 2: Convert to fraction form
    39,293.28/58,943.41 = 11,212.81/x
  3. Step 3: Cross multiply
    39,293.28x = 58,943.41 × 11,212.81
  4. Step 4: Simplify right side
    39,293.28x = 660,921,257.08
  5. Step 5: Solve for x
    x = 660,921,257.08/39,293.28
  6. Step 6: Final answer
    x = 16,820.21

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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.