Home / 56,168.67-84,261.65-21,110.79

Finding the Fourth Proportional to 56,168.67, 84,261.65 and 21,110.79

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Solution

The fourth proportional to 56,168.67, 84,261.65 and 21,110.79 is: 31,669.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,168.67 : 84,261.65 = 21,110.79 : x
  2. Step 2: Convert to fraction form
    56,168.67/84,261.65 = 21,110.79/x
  3. Step 3: Cross multiply
    56,168.67x = 84,261.65 × 21,110.79
  4. Step 4: Simplify right side
    56,168.67x = 1,778,829,892.65
  5. Step 5: Solve for x
    x = 1,778,829,892.65/56,168.67
  6. Step 6: Final answer
    x = 31,669.43

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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.