Home / 55,020.28-82,530.36-19,948.36

Finding the Fourth Proportional to 55,020.28, 82,530.36 and 19,948.36

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Solution

The fourth proportional to 55,020.28, 82,530.36 and 19,948.36 is: 29,922.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,020.28 : 82,530.36 = 19,948.36 : x
  2. Step 2: Convert to fraction form
    55,020.28/82,530.36 = 19,948.36/x
  3. Step 3: Cross multiply
    55,020.28x = 82,530.36 × 19,948.36
  4. Step 4: Simplify right side
    55,020.28x = 1,646,345,332.21
  5. Step 5: Solve for x
    x = 1,646,345,332.21/55,020.28
  6. Step 6: Final answer
    x = 29,922.52

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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.