Home / 31,867.96-47,801.94-13,158.58

Finding the Fourth Proportional to 31,867.96, 47,801.94 and 13,158.58

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Solution

The fourth proportional to 31,867.96, 47,801.94 and 13,158.58 is: 19,737.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,867.96 : 47,801.94 = 13,158.58 : x
  2. Step 2: Convert to fraction form
    31,867.96/47,801.94 = 13,158.58/x
  3. Step 3: Cross multiply
    31,867.96x = 47,801.94 × 13,158.58
  4. Step 4: Simplify right side
    31,867.96x = 629,005,651.65
  5. Step 5: Solve for x
    x = 629,005,651.65/31,867.96
  6. Step 6: Final answer
    x = 19,737.87

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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.