Home / 31,395.60-47,064.12-10,604.56

Finding the Fourth Proportional to 31,395.60, 47,064.12 and 10,604.56

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Solution

The fourth proportional to 31,395.60, 47,064.12 and 10,604.56 is: 15,896.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,395.60 : 47,064.12 = 10,604.56 : x
  2. Step 2: Convert to fraction form
    31,395.60/47,064.12 = 10,604.56/x
  3. Step 3: Cross multiply
    31,395.60x = 47,064.12 × 10,604.56
  4. Step 4: Simplify right side
    31,395.60x = 499,094,284.39
  5. Step 5: Solve for x
    x = 499,094,284.39/31,395.60
  6. Step 6: Final answer
    x = 15,896.95

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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.