Home / 31,869.35-47,794.23-10,518.11

Finding the Fourth Proportional to 31,869.35, 47,794.23 and 10,518.11

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Solution

The fourth proportional to 31,869.35, 47,794.23 and 10,518.11 is: 15,773.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,869.35 : 47,794.23 = 10,518.11 : x
  2. Step 2: Convert to fraction form
    31,869.35/47,794.23 = 10,518.11/x
  3. Step 3: Cross multiply
    31,869.35x = 47,794.23 × 10,518.11
  4. Step 4: Simplify right side
    31,869.35x = 502,704,729.53
  5. Step 5: Solve for x
    x = 502,704,729.53/31,869.35
  6. Step 6: Final answer
    x = 15,773.93

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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.