Home / 31,450.30-47,177.03-10,392.23

Finding the Fourth Proportional to 31,450.30, 47,177.03 and 10,392.23

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Solution

The fourth proportional to 31,450.30, 47,177.03 and 10,392.23 is: 15,588.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,450.30 : 47,177.03 = 10,392.23 : x
  2. Step 2: Convert to fraction form
    31,450.30/47,177.03 = 10,392.23/x
  3. Step 3: Cross multiply
    31,450.30x = 47,177.03 × 10,392.23
  4. Step 4: Simplify right side
    31,450.30x = 490,274,690.40
  5. Step 5: Solve for x
    x = 490,274,690.40/31,450.30
  6. Step 6: Final answer
    x = 15,588.87

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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.