Home / 31,033.14-42,824.46-16,885.99

Finding the Fourth Proportional to 31,033.14, 42,824.46 and 16,885.99

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Solution

The fourth proportional to 31,033.14, 42,824.46 and 16,885.99 is: 23,301.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,033.14 : 42,824.46 = 16,885.99 : x
  2. Step 2: Convert to fraction form
    31,033.14/42,824.46 = 16,885.99/x
  3. Step 3: Cross multiply
    31,033.14x = 42,824.46 × 16,885.99
  4. Step 4: Simplify right side
    31,033.14x = 723,133,403.32
  5. Step 5: Solve for x
    x = 723,133,403.32/31,033.14
  6. Step 6: Final answer
    x = 23,301.97

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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.