Home / 37,373.66-51,576.05-20,377.76

Finding the Fourth Proportional to 37,373.66, 51,576.05 and 20,377.76

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Solution

The fourth proportional to 37,373.66, 51,576.05 and 20,377.76 is: 28,121.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,373.66 : 51,576.05 = 20,377.76 : x
  2. Step 2: Convert to fraction form
    37,373.66/51,576.05 = 20,377.76/x
  3. Step 3: Cross multiply
    37,373.66x = 51,576.05 × 20,377.76
  4. Step 4: Simplify right side
    37,373.66x = 1,051,004,008.88
  5. Step 5: Solve for x
    x = 1,051,004,008.88/37,373.66
  6. Step 6: Final answer
    x = 28,121.52

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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.