Home / 37,475.28-51,719.16-20,711.52

Finding the Fourth Proportional to 37,475.28, 51,719.16 and 20,711.52

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Solution

The fourth proportional to 37,475.28, 51,719.16 and 20,711.52 is: 28,583.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,475.28 : 51,719.16 = 20,711.52 : x
  2. Step 2: Convert to fraction form
    37,475.28/51,719.16 = 20,711.52/x
  3. Step 3: Cross multiply
    37,475.28x = 51,719.16 × 20,711.52
  4. Step 4: Simplify right side
    37,475.28x = 1,071,182,416.72
  5. Step 5: Solve for x
    x = 1,071,182,416.72/37,475.28
  6. Step 6: Final answer
    x = 28,583.71

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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.