Home / 31,541.66-43,526.03-18,103.46

Finding the Fourth Proportional to 31,541.66, 43,526.03 and 18,103.46

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Solution

The fourth proportional to 31,541.66, 43,526.03 and 18,103.46 is: 24,981.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,541.66 : 43,526.03 = 18,103.46 : x
  2. Step 2: Convert to fraction form
    31,541.66/43,526.03 = 18,103.46/x
  3. Step 3: Cross multiply
    31,541.66x = 43,526.03 × 18,103.46
  4. Step 4: Simplify right side
    31,541.66x = 787,971,434.92
  5. Step 5: Solve for x
    x = 787,971,434.92/31,541.66
  6. Step 6: Final answer
    x = 24,981.93

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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.