Home / 37,126.59-51,234.47-20,130.66

Finding the Fourth Proportional to 37,126.59, 51,234.47 and 20,130.66

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Solution

The fourth proportional to 37,126.59, 51,234.47 and 20,130.66 is: 27,780.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,126.59 : 51,234.47 = 20,130.66 : x
  2. Step 2: Convert to fraction form
    37,126.59/51,234.47 = 20,130.66/x
  3. Step 3: Cross multiply
    37,126.59x = 51,234.47 × 20,130.66
  4. Step 4: Simplify right side
    37,126.59x = 1,031,383,695.85
  5. Step 5: Solve for x
    x = 1,031,383,695.85/37,126.59
  6. Step 6: Final answer
    x = 27,780.19

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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.