Home / 37,311.89-51,487.79-21,179.52

Finding the Fourth Proportional to 37,311.89, 51,487.79 and 21,179.52

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Solution

The fourth proportional to 37,311.89, 51,487.79 and 21,179.52 is: 29,226.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,311.89 : 51,487.79 = 21,179.52 : x
  2. Step 2: Convert to fraction form
    37,311.89/51,487.79 = 21,179.52/x
  3. Step 3: Cross multiply
    37,311.89x = 51,487.79 × 21,179.52
  4. Step 4: Simplify right side
    37,311.89x = 1,090,486,572.16
  5. Step 5: Solve for x
    x = 1,090,486,572.16/37,311.89
  6. Step 6: Final answer
    x = 29,226.25

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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.