Home / 55,269.81-82,922.24-19,730.34

Finding the Fourth Proportional to 55,269.81, 82,922.24 and 19,730.34

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Solution

The fourth proportional to 55,269.81, 82,922.24 and 19,730.34 is: 29,601.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,269.81 : 82,922.24 = 19,730.34 : x
  2. Step 2: Convert to fraction form
    55,269.81/82,922.24 = 19,730.34/x
  3. Step 3: Cross multiply
    55,269.81x = 82,922.24 × 19,730.34
  4. Step 4: Simplify right side
    55,269.81x = 1,636,084,097.42
  5. Step 5: Solve for x
    x = 1,636,084,097.42/55,269.81
  6. Step 6: Final answer
    x = 29,601.77

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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.