Home / 31,669.80-47,511.18-10,894.92

Finding the Fourth Proportional to 31,669.80, 47,511.18 and 10,894.92

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Solution

The fourth proportional to 31,669.80, 47,511.18 and 10,894.92 is: 16,344.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,669.80 : 47,511.18 = 10,894.92 : x
  2. Step 2: Convert to fraction form
    31,669.80/47,511.18 = 10,894.92/x
  3. Step 3: Cross multiply
    31,669.80x = 47,511.18 × 10,894.92
  4. Step 4: Simplify right side
    31,669.80x = 517,630,505.21
  5. Step 5: Solve for x
    x = 517,630,505.21/31,669.80
  6. Step 6: Final answer
    x = 16,344.61

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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.