Home / 31,641.94-43,666.78-17,495.70

Finding the Fourth Proportional to 31,641.94, 43,666.78 and 17,495.70

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Solution

The fourth proportional to 31,641.94, 43,666.78 and 17,495.70 is: 24,144.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,641.94 : 43,666.78 = 17,495.70 : x
  2. Step 2: Convert to fraction form
    31,641.94/43,666.78 = 17,495.70/x
  3. Step 3: Cross multiply
    31,641.94x = 43,666.78 × 17,495.70
  4. Step 4: Simplify right side
    31,641.94x = 763,980,882.85
  5. Step 5: Solve for x
    x = 763,980,882.85/31,641.94
  6. Step 6: Final answer
    x = 24,144.57

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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.