Home / 55,717.23-76,889.32-30,223.53

Finding the Fourth Proportional to 55,717.23, 76,889.32 and 30,223.53

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Solution

The fourth proportional to 55,717.23, 76,889.32 and 30,223.53 is: 41,708.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,717.23 : 76,889.32 = 30,223.53 : x
  2. Step 2: Convert to fraction form
    55,717.23/76,889.32 = 30,223.53/x
  3. Step 3: Cross multiply
    55,717.23x = 76,889.32 × 30,223.53
  4. Step 4: Simplify right side
    55,717.23x = 2,323,866,477.48
  5. Step 5: Solve for x
    x = 2,323,866,477.48/55,717.23
  6. Step 6: Final answer
    x = 41,708.22

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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.