Home / 55,123.65-82,679.97-17,710.74

Finding the Fourth Proportional to 55,123.65, 82,679.97 and 17,710.74

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Solution

The fourth proportional to 55,123.65, 82,679.97 and 17,710.74 is: 26,564.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,123.65 : 82,679.97 = 17,710.74 : x
  2. Step 2: Convert to fraction form
    55,123.65/82,679.97 = 17,710.74/x
  3. Step 3: Cross multiply
    55,123.65x = 82,679.97 × 17,710.74
  4. Step 4: Simplify right side
    55,123.65x = 1,464,323,451.88
  5. Step 5: Solve for x
    x = 1,464,323,451.88/55,123.65
  6. Step 6: Final answer
    x = 26,564.34

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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.