Home / 31,990.24-48,007.26-11,213.80

Finding the Fourth Proportional to 31,990.24, 48,007.26 and 11,213.80

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Solution

The fourth proportional to 31,990.24, 48,007.26 and 11,213.80 is: 16,828.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,990.24 : 48,007.26 = 11,213.80 : x
  2. Step 2: Convert to fraction form
    31,990.24/48,007.26 = 11,213.80/x
  3. Step 3: Cross multiply
    31,990.24x = 48,007.26 × 11,213.80
  4. Step 4: Simplify right side
    31,990.24x = 538,343,812.19
  5. Step 5: Solve for x
    x = 538,343,812.19/31,990.24
  6. Step 6: Final answer
    x = 16,828.38

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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.