Home / 57,763.28-86,606.52-20,822.48

Finding the Fourth Proportional to 57,763.28, 86,606.52 and 20,822.48

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Solution

The fourth proportional to 57,763.28, 86,606.52 and 20,822.48 is: 31,219.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,763.28 : 86,606.52 = 20,822.48 : x
  2. Step 2: Convert to fraction form
    57,763.28/86,606.52 = 20,822.48/x
  3. Step 3: Cross multiply
    57,763.28x = 86,606.52 × 20,822.48
  4. Step 4: Simplify right side
    57,763.28x = 1,803,362,530.57
  5. Step 5: Solve for x
    x = 1,803,362,530.57/57,763.28
  6. Step 6: Final answer
    x = 31,219.88

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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.