Home / 38,639,288.85-57,958,933.28-20,723,384.85

Finding the Fourth Proportional to 38,639,288.85, 57,958,933.28 and 20,723,384.85

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Solution

The fourth proportional to 38,639,288.85, 57,958,933.28 and 20,723,384.85 is: 31,085,077.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,639,288.85 : 57,958,933.28 = 20,723,384.85 : x
  2. Step 2: Convert to fraction form
    38,639,288.85/57,958,933.28 = 20,723,384.85/x
  3. Step 3: Cross multiply
    38,639,288.85x = 57,958,933.28 × 20,723,384.85
  4. Step 4: Simplify right side
    38,639,288.85x = 1,201,105,279,753,296
  5. Step 5: Solve for x
    x = 1,201,105,279,753,296/38,639,288.85
  6. Step 6: Final answer
    x = 31,085,077.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.