Home / 37,143.20-55,764.24-21,572

Finding the Fourth Proportional to 37,143.20, 55,764.24 and 21,572

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Solution

The fourth proportional to 37,143.20, 55,764.24 and 21,572 is: 32,386.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,143.20 : 55,764.24 = 21,572 : x
  2. Step 2: Convert to fraction form
    37,143.20/55,764.24 = 21,572/x
  3. Step 3: Cross multiply
    37,143.20x = 55,764.24 × 21,572
  4. Step 4: Simplify right side
    37,143.20x = 1,202,946,185.28
  5. Step 5: Solve for x
    x = 1,202,946,185.28/37,143.20
  6. Step 6: Final answer
    x = 32,386.71

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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.