Home / 45,277.54-67,929.26-21,917.14

Finding the Fourth Proportional to 45,277.54, 67,929.26 and 21,917.14

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Solution

The fourth proportional to 45,277.54, 67,929.26 and 21,917.14 is: 32,881.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,277.54 : 67,929.26 = 21,917.14 : x
  2. Step 2: Convert to fraction form
    45,277.54/67,929.26 = 21,917.14/x
  3. Step 3: Cross multiply
    45,277.54x = 67,929.26 × 21,917.14
  4. Step 4: Simplify right side
    45,277.54x = 1,488,815,101.52
  5. Step 5: Solve for x
    x = 1,488,815,101.52/45,277.54
  6. Step 6: Final answer
    x = 32,881.98

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1.5x scale

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.