Home / 31,688.46-47,597.49-26,766.90

Finding the Fourth Proportional to 31,688.46, 47,597.49 and 26,766.90

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Solution

The fourth proportional to 31,688.46, 47,597.49 and 26,766.90 is: 40,205.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,688.46 : 47,597.49 = 26,766.90 : x
  2. Step 2: Convert to fraction form
    31,688.46/47,597.49 = 26,766.90/x
  3. Step 3: Cross multiply
    31,688.46x = 47,597.49 × 26,766.90
  4. Step 4: Simplify right side
    31,688.46x = 1,274,037,255.08
  5. Step 5: Solve for x
    x = 1,274,037,255.08/31,688.46
  6. Step 6: Final answer
    x = 40,205.09

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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.