Home / 37,031.54-51,102.52-21,115.62

Finding the Fourth Proportional to 37,031.54, 51,102.52 and 21,115.62

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Solution

The fourth proportional to 37,031.54, 51,102.52 and 21,115.62 is: 29,138.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,031.54 : 51,102.52 = 21,115.62 : x
  2. Step 2: Convert to fraction form
    37,031.54/51,102.52 = 21,115.62/x
  3. Step 3: Cross multiply
    37,031.54x = 51,102.52 × 21,115.62
  4. Step 4: Simplify right side
    37,031.54x = 1,079,061,393.36
  5. Step 5: Solve for x
    x = 1,079,061,393.36/37,031.54
  6. Step 6: Final answer
    x = 29,138.98

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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.