Home / 31,911.29-44,041.70-18,304.64

Finding the Fourth Proportional to 31,911.29, 44,041.70 and 18,304.64

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Solution

The fourth proportional to 31,911.29, 44,041.70 and 18,304.64 is: 25,262.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,911.29 : 44,041.70 = 18,304.64 : x
  2. Step 2: Convert to fraction form
    31,911.29/44,041.70 = 18,304.64/x
  3. Step 3: Cross multiply
    31,911.29x = 44,041.70 × 18,304.64
  4. Step 4: Simplify right side
    31,911.29x = 806,167,151.76
  5. Step 5: Solve for x
    x = 806,167,151.76/31,911.29
  6. Step 6: Final answer
    x = 25,262.76

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1.5x scale

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.