Home / 31,395.23-47,091.63-10,618.73

Finding the Fourth Proportional to 31,395.23, 47,091.63 and 10,618.73

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Solution

The fourth proportional to 31,395.23, 47,091.63 and 10,618.73 is: 15,927.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,395.23 : 47,091.63 = 10,618.73 : x
  2. Step 2: Convert to fraction form
    31,395.23/47,091.63 = 10,618.73/x
  3. Step 3: Cross multiply
    31,395.23x = 47,091.63 × 10,618.73
  4. Step 4: Simplify right side
    31,395.23x = 500,053,304.23
  5. Step 5: Solve for x
    x = 500,053,304.23/31,395.23
  6. Step 6: Final answer
    x = 15,927.68

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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.