Home / 31,403.59-47,095.31-10,338.73

Finding the Fourth Proportional to 31,403.59, 47,095.31 and 10,338.73

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Solution

The fourth proportional to 31,403.59, 47,095.31 and 10,338.73 is: 15,504.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,403.59 : 47,095.31 = 10,338.73 : x
  2. Step 2: Convert to fraction form
    31,403.59/47,095.31 = 10,338.73/x
  3. Step 3: Cross multiply
    31,403.59x = 47,095.31 × 10,338.73
  4. Step 4: Simplify right side
    31,403.59x = 486,905,694.36
  5. Step 5: Solve for x
    x = 486,905,694.36/31,403.59
  6. Step 6: Final answer
    x = 15,504.78

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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.