Home / 56,182.94-84,222.33-21,145.82

Finding the Fourth Proportional to 56,182.94, 84,222.33 and 21,145.82

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Solution

The fourth proportional to 56,182.94, 84,222.33 and 21,145.82 is: 31,699.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,182.94 : 84,222.33 = 21,145.82 : x
  2. Step 2: Convert to fraction form
    56,182.94/84,222.33 = 21,145.82/x
  3. Step 3: Cross multiply
    56,182.94x = 84,222.33 × 21,145.82
  4. Step 4: Simplify right side
    56,182.94x = 1,780,950,230.16
  5. Step 5: Solve for x
    x = 1,780,950,230.16/56,182.94
  6. Step 6: Final answer
    x = 31,699.13

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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.