Home / 55,553.58-83,288.61-18,091.35

Finding the Fourth Proportional to 55,553.58, 83,288.61 and 18,091.35

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Solution

The fourth proportional to 55,553.58, 83,288.61 and 18,091.35 is: 27,123.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,553.58 : 83,288.61 = 18,091.35 : x
  2. Step 2: Convert to fraction form
    55,553.58/83,288.61 = 18,091.35/x
  3. Step 3: Cross multiply
    55,553.58x = 83,288.61 × 18,091.35
  4. Step 4: Simplify right side
    55,553.58x = 1,506,803,394.52
  5. Step 5: Solve for x
    x = 1,506,803,394.52/55,553.58
  6. Step 6: Final answer
    x = 27,123.43

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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.