Home / 31,790.24-47,685.42-11,013.76

Finding the Fourth Proportional to 31,790.24, 47,685.42 and 11,013.76

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Solution

The fourth proportional to 31,790.24, 47,685.42 and 11,013.76 is: 16,520.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,790.24 : 47,685.42 = 11,013.76 : x
  2. Step 2: Convert to fraction form
    31,790.24/47,685.42 = 11,013.76/x
  3. Step 3: Cross multiply
    31,790.24x = 47,685.42 × 11,013.76
  4. Step 4: Simplify right side
    31,790.24x = 525,195,771.38
  5. Step 5: Solve for x
    x = 525,195,771.38/31,790.24
  6. Step 6: Final answer
    x = 16,520.66

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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.