Home / 31,049.04-42,847.45-16,901.85

Finding the Fourth Proportional to 31,049.04, 42,847.45 and 16,901.85

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Solution

The fourth proportional to 31,049.04, 42,847.45 and 16,901.85 is: 23,324.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,049.04 : 42,847.45 = 16,901.85 : x
  2. Step 2: Convert to fraction form
    31,049.04/42,847.45 = 16,901.85/x
  3. Step 3: Cross multiply
    31,049.04x = 42,847.45 × 16,901.85
  4. Step 4: Simplify right side
    31,049.04x = 724,201,172.78
  5. Step 5: Solve for x
    x = 724,201,172.78/31,049.04
  6. Step 6: Final answer
    x = 23,324.43

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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.