Home / 39,179.08-58,742.52-14,215.89

Finding the Fourth Proportional to 39,179.08, 58,742.52 and 14,215.89

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Solution

The fourth proportional to 39,179.08, 58,742.52 and 14,215.89 is: 21,314.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,179.08 : 58,742.52 = 14,215.89 : x
  2. Step 2: Convert to fraction form
    39,179.08/58,742.52 = 14,215.89/x
  3. Step 3: Cross multiply
    39,179.08x = 58,742.52 × 14,215.89
  4. Step 4: Simplify right side
    39,179.08x = 835,077,202.64
  5. Step 5: Solve for x
    x = 835,077,202.64/39,179.08
  6. Step 6: Final answer
    x = 21,314.36

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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.