Home / 31,943.87-44,086.78-18,337.29

Finding the Fourth Proportional to 31,943.87, 44,086.78 and 18,337.29

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Solution

The fourth proportional to 31,943.87, 44,086.78 and 18,337.29 is: 25,307.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,943.87 : 44,086.78 = 18,337.29 : x
  2. Step 2: Convert to fraction form
    31,943.87/44,086.78 = 18,337.29/x
  3. Step 3: Cross multiply
    31,943.87x = 44,086.78 × 18,337.29
  4. Step 4: Simplify right side
    31,943.87x = 808,431,927.62
  5. Step 5: Solve for x
    x = 808,431,927.62/31,943.87
  6. Step 6: Final answer
    x = 25,307.89

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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.