Home / 39,169.58-54,160.32-38,536.52

Finding the Fourth Proportional to 39,169.58, 54,160.32 and 38,536.52

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Solution

The fourth proportional to 39,169.58, 54,160.32 and 38,536.52 is: 53,284.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,169.58 : 54,160.32 = 38,536.52 : x
  2. Step 2: Convert to fraction form
    39,169.58/54,160.32 = 38,536.52/x
  3. Step 3: Cross multiply
    39,169.58x = 54,160.32 × 38,536.52
  4. Step 4: Simplify right side
    39,169.58x = 2,087,150,254.89
  5. Step 5: Solve for x
    x = 2,087,150,254.89/39,169.58
  6. Step 6: Final answer
    x = 53,284.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.