Home / 31,244.94-43,117.83-16,904.72

Finding the Fourth Proportional to 31,244.94, 43,117.83 and 16,904.72

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Solution

The fourth proportional to 31,244.94, 43,117.83 and 16,904.72 is: 23,328.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,244.94 : 43,117.83 = 16,904.72 : x
  2. Step 2: Convert to fraction form
    31,244.94/43,117.83 = 16,904.72/x
  3. Step 3: Cross multiply
    31,244.94x = 43,117.83 × 16,904.72
  4. Step 4: Simplify right side
    31,244.94x = 728,894,950.95
  5. Step 5: Solve for x
    x = 728,894,950.95/31,244.94
  6. Step 6: Final answer
    x = 23,328.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.