Home / 40,974.60-61,418.70-23,406.60

Finding the Fourth Proportional to 40,974.60, 61,418.70 and 23,406.60

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Solution

The fourth proportional to 40,974.60, 61,418.70 and 23,406.60 is: 35,085.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,974.60 : 61,418.70 = 23,406.60 : x
  2. Step 2: Convert to fraction form
    40,974.60/61,418.70 = 23,406.60/x
  3. Step 3: Cross multiply
    40,974.60x = 61,418.70 × 23,406.60
  4. Step 4: Simplify right side
    40,974.60x = 1,437,602,943.42
  5. Step 5: Solve for x
    x = 1,437,602,943.42/40,974.60
  6. Step 6: Final answer
    x = 35,085.22

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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.