Home / 31,870.67-47,805.46-11,093.63

Finding the Fourth Proportional to 31,870.67, 47,805.46 and 11,093.63

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Solution

The fourth proportional to 31,870.67, 47,805.46 and 11,093.63 is: 16,640.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,870.67 : 47,805.46 = 11,093.63 : x
  2. Step 2: Convert to fraction form
    31,870.67/47,805.46 = 11,093.63/x
  3. Step 3: Cross multiply
    31,870.67x = 47,805.46 × 11,093.63
  4. Step 4: Simplify right side
    31,870.67x = 530,335,818.46
  5. Step 5: Solve for x
    x = 530,335,818.46/31,870.67
  6. Step 6: Final answer
    x = 16,640.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.