Home / 31,981.40-44,133.36-17,836.64

Finding the Fourth Proportional to 31,981.40, 44,133.36 and 17,836.64

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Solution

The fourth proportional to 31,981.40, 44,133.36 and 17,836.64 is: 24,614.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,981.40 : 44,133.36 = 17,836.64 : x
  2. Step 2: Convert to fraction form
    31,981.40/44,133.36 = 17,836.64/x
  3. Step 3: Cross multiply
    31,981.40x = 44,133.36 × 17,836.64
  4. Step 4: Simplify right side
    31,981.40x = 787,190,854.31
  5. Step 5: Solve for x
    x = 787,190,854.31/31,981.40
  6. Step 6: Final answer
    x = 24,614.02

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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.