Home / 31,021.80-42,811.04-17,593.62

Finding the Fourth Proportional to 31,021.80, 42,811.04 and 17,593.62

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Solution

The fourth proportional to 31,021.80, 42,811.04 and 17,593.62 is: 24,279.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,021.80 : 42,811.04 = 17,593.62 : x
  2. Step 2: Convert to fraction form
    31,021.80/42,811.04 = 17,593.62/x
  3. Step 3: Cross multiply
    31,021.80x = 42,811.04 × 17,593.62
  4. Step 4: Simplify right side
    31,021.80x = 753,201,026.62
  5. Step 5: Solve for x
    x = 753,201,026.62/31,021.80
  6. Step 6: Final answer
    x = 24,279.74

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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.