Home / 55,590.18-76,717.17-31,721.51

Finding the Fourth Proportional to 55,590.18, 76,717.17 and 31,721.51

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Solution

The fourth proportional to 55,590.18, 76,717.17 and 31,721.51 is: 43,777.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,590.18 : 76,717.17 = 31,721.51 : x
  2. Step 2: Convert to fraction form
    55,590.18/76,717.17 = 31,721.51/x
  3. Step 3: Cross multiply
    55,590.18x = 76,717.17 × 31,721.51
  4. Step 4: Simplify right side
    55,590.18x = 2,433,584,091.74
  5. Step 5: Solve for x
    x = 2,433,584,091.74/55,590.18
  6. Step 6: Final answer
    x = 43,777.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.