Home / 52,491.14-72,438-33,639.20

Finding the Fourth Proportional to 52,491.14, 72,438 and 33,639.20

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Solution

The fourth proportional to 52,491.14, 72,438 and 33,639.20 is: 46,422.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,491.14 : 72,438 = 33,639.20 : x
  2. Step 2: Convert to fraction form
    52,491.14/72,438 = 33,639.20/x
  3. Step 3: Cross multiply
    52,491.14x = 72,438 × 33,639.20
  4. Step 4: Simplify right side
    52,491.14x = 2,436,756,369.60
  5. Step 5: Solve for x
    x = 2,436,756,369.60/52,491.14
  6. Step 6: Final answer
    x = 46,422.24

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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.