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Finding the Fourth Proportional to 56,586.01, 84,879.42 and 17,146.03

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Solution

The fourth proportional to 56,586.01, 84,879.42 and 17,146.03 is: 25,719.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,586.01 : 84,879.42 = 17,146.03 : x
  2. Step 2: Convert to fraction form
    56,586.01/84,879.42 = 17,146.03/x
  3. Step 3: Cross multiply
    56,586.01x = 84,879.42 × 17,146.03
  4. Step 4: Simplify right side
    56,586.01x = 1,455,345,081.70
  5. Step 5: Solve for x
    x = 1,455,345,081.70/56,586.01
  6. Step 6: Final answer
    x = 25,719.17

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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.