Home / 53,279.95-79,906.05-15,831.22

Finding the Fourth Proportional to 53,279.95, 79,906.05 and 15,831.22

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Solution

The fourth proportional to 53,279.95, 79,906.05 and 15,831.22 is: 23,742.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,279.95 : 79,906.05 = 15,831.22 : x
  2. Step 2: Convert to fraction form
    53,279.95/79,906.05 = 15,831.22/x
  3. Step 3: Cross multiply
    53,279.95x = 79,906.05 × 15,831.22
  4. Step 4: Simplify right side
    53,279.95x = 1,265,010,256.88
  5. Step 5: Solve for x
    x = 1,265,010,256.88/53,279.95
  6. Step 6: Final answer
    x = 23,742.71

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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.