Home / 39,173.10-58,747.20-12,871.68

Finding the Fourth Proportional to 39,173.10, 58,747.20 and 12,871.68

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Solution

The fourth proportional to 39,173.10, 58,747.20 and 12,871.68 is: 19,303.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,173.10 : 58,747.20 = 12,871.68 : x
  2. Step 2: Convert to fraction form
    39,173.10/58,747.20 = 12,871.68/x
  3. Step 3: Cross multiply
    39,173.10x = 58,747.20 × 12,871.68
  4. Step 4: Simplify right side
    39,173.10x = 756,175,159.30
  5. Step 5: Solve for x
    x = 756,175,159.30/39,173.10
  6. Step 6: Final answer
    x = 19,303.43

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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.