Home / 37,123.76-51,231.96-20,358.32

Finding the Fourth Proportional to 37,123.76, 51,231.96 and 20,358.32

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Solution

The fourth proportional to 37,123.76, 51,231.96 and 20,358.32 is: 28,095.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,123.76 : 51,231.96 = 20,358.32 : x
  2. Step 2: Convert to fraction form
    37,123.76/51,231.96 = 20,358.32/x
  3. Step 3: Cross multiply
    37,123.76x = 51,231.96 × 20,358.32
  4. Step 4: Simplify right side
    37,123.76x = 1,042,996,635.91
  5. Step 5: Solve for x
    x = 1,042,996,635.91/37,123.76
  6. Step 6: Final answer
    x = 28,095.12

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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.