Home / 40,102.86-55,341.14-23,106.09

Finding the Fourth Proportional to 40,102.86, 55,341.14 and 23,106.09

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Solution

The fourth proportional to 40,102.86, 55,341.14 and 23,106.09 is: 31,885.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,102.86 : 55,341.14 = 23,106.09 : x
  2. Step 2: Convert to fraction form
    40,102.86/55,341.14 = 23,106.09/x
  3. Step 3: Cross multiply
    40,102.86x = 55,341.14 × 23,106.09
  4. Step 4: Simplify right side
    40,102.86x = 1,278,717,471.52
  5. Step 5: Solve for x
    x = 1,278,717,471.52/40,102.86
  6. Step 6: Final answer
    x = 31,885.94

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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.