Home / 41,022.81-61,535.54-12,943.12

Finding the Fourth Proportional to 41,022.81, 61,535.54 and 12,943.12

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Solution

The fourth proportional to 41,022.81, 61,535.54 and 12,943.12 is: 19,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,022.81 : 61,535.54 = 12,943.12 : x
  2. Step 2: Convert to fraction form
    41,022.81/61,535.54 = 12,943.12/x
  3. Step 3: Cross multiply
    41,022.81x = 61,535.54 × 12,943.12
  4. Step 4: Simplify right side
    41,022.81x = 796,461,878.48
  5. Step 5: Solve for x
    x = 796,461,878.48/41,022.81
  6. Step 6: Final answer
    x = 19,415.10

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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.