Home / 31,328.84-43,229.80-17,900.97

Finding the Fourth Proportional to 31,328.84, 43,229.80 and 17,900.97

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Solution

The fourth proportional to 31,328.84, 43,229.80 and 17,900.97 is: 24,701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,328.84 : 43,229.80 = 17,900.97 : x
  2. Step 2: Convert to fraction form
    31,328.84/43,229.80 = 17,900.97/x
  3. Step 3: Cross multiply
    31,328.84x = 43,229.80 × 17,900.97
  4. Step 4: Simplify right side
    31,328.84x = 773,855,213.17
  5. Step 5: Solve for x
    x = 773,855,213.17/31,328.84
  6. Step 6: Final answer
    x = 24,701.05

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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.