Home / 31,487.32-47,230.91-21,596.61

Finding the Fourth Proportional to 31,487.32, 47,230.91 and 21,596.61

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Solution

The fourth proportional to 31,487.32, 47,230.91 and 21,596.61 is: 32,394.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,487.32 : 47,230.91 = 21,596.61 : x
  2. Step 2: Convert to fraction form
    31,487.32/47,230.91 = 21,596.61/x
  3. Step 3: Cross multiply
    31,487.32x = 47,230.91 × 21,596.61
  4. Step 4: Simplify right side
    31,487.32x = 1,020,027,435.23
  5. Step 5: Solve for x
    x = 1,020,027,435.23/31,487.32
  6. Step 6: Final answer
    x = 32,394.87

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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.