Home / 39,118.74-58,694.06-14,161.43

Finding the Fourth Proportional to 39,118.74, 58,694.06 and 14,161.43

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Solution

The fourth proportional to 39,118.74, 58,694.06 and 14,161.43 is: 21,247.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,118.74 : 58,694.06 = 14,161.43 : x
  2. Step 2: Convert to fraction form
    39,118.74/58,694.06 = 14,161.43/x
  3. Step 3: Cross multiply
    39,118.74x = 58,694.06 × 14,161.43
  4. Step 4: Simplify right side
    39,118.74x = 831,191,528.64
  5. Step 5: Solve for x
    x = 831,191,528.64/39,118.74
  6. Step 6: Final answer
    x = 21,247.91

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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.