Home / 30,514.14-42,128.55-23,426.46

Finding the Fourth Proportional to 30,514.14, 42,128.55 and 23,426.46

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Solution

The fourth proportional to 30,514.14, 42,128.55 and 23,426.46 is: 32,343.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,514.14 : 42,128.55 = 23,426.46 : x
  2. Step 2: Convert to fraction form
    30,514.14/42,128.55 = 23,426.46/x
  3. Step 3: Cross multiply
    30,514.14x = 42,128.55 × 23,426.46
  4. Step 4: Simplify right side
    30,514.14x = 986,922,791.43
  5. Step 5: Solve for x
    x = 986,922,791.43/30,514.14
  6. Step 6: Final answer
    x = 32,343.13

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