Home / 37,141.28-51,251.64-21,225.68

Finding the Fourth Proportional to 37,141.28, 51,251.64 and 21,225.68

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Solution

The fourth proportional to 37,141.28, 51,251.64 and 21,225.68 is: 29,289.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,141.28 : 51,251.64 = 21,225.68 : x
  2. Step 2: Convert to fraction form
    37,141.28/51,251.64 = 21,225.68/x
  3. Step 3: Cross multiply
    37,141.28x = 51,251.64 × 21,225.68
  4. Step 4: Simplify right side
    37,141.28x = 1,087,850,910.12
  5. Step 5: Solve for x
    x = 1,087,850,910.12/37,141.28
  6. Step 6: Final answer
    x = 29,289.54

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1.5x scale

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.