Home / 31,812.04-43,899.78-17,664.52

Finding the Fourth Proportional to 31,812.04, 43,899.78 and 17,664.52

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Solution

The fourth proportional to 31,812.04, 43,899.78 and 17,664.52 is: 24,376.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,812.04 : 43,899.78 = 17,664.52 : x
  2. Step 2: Convert to fraction form
    31,812.04/43,899.78 = 17,664.52/x
  3. Step 3: Cross multiply
    31,812.04x = 43,899.78 × 17,664.52
  4. Step 4: Simplify right side
    31,812.04x = 775,468,541.81
  5. Step 5: Solve for x
    x = 775,468,541.81/31,812.04
  6. Step 6: Final answer
    x = 24,376.57

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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.