Home / 56,345.73-84,551.42-21,288.12

Finding the Fourth Proportional to 56,345.73, 84,551.42 and 21,288.12

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Solution

The fourth proportional to 56,345.73, 84,551.42 and 21,288.12 is: 31,944.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,345.73 : 84,551.42 = 21,288.12 : x
  2. Step 2: Convert to fraction form
    56,345.73/84,551.42 = 21,288.12/x
  3. Step 3: Cross multiply
    56,345.73x = 84,551.42 × 21,288.12
  4. Step 4: Simplify right side
    56,345.73x = 1,799,940,775.13
  5. Step 5: Solve for x
    x = 1,799,940,775.13/56,345.73
  6. Step 6: Final answer
    x = 31,944.58

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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.