Home / 37,043.34-51,116.91-21,126.78

Finding the Fourth Proportional to 37,043.34, 51,116.91 and 21,126.78

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Solution

The fourth proportional to 37,043.34, 51,116.91 and 21,126.78 is: 29,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,043.34 : 51,116.91 = 21,126.78 : x
  2. Step 2: Convert to fraction form
    37,043.34/51,116.91 = 21,126.78/x
  3. Step 3: Cross multiply
    37,043.34x = 51,116.91 × 21,126.78
  4. Step 4: Simplify right side
    37,043.34x = 1,079,935,711.85
  5. Step 5: Solve for x
    x = 1,079,935,711.85/37,043.34
  6. Step 6: Final answer
    x = 29,153.30

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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.