Home / 31,596.64-47,379.04-10,529.28

Finding the Fourth Proportional to 31,596.64, 47,379.04 and 10,529.28

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Solution

The fourth proportional to 31,596.64, 47,379.04 and 10,529.28 is: 15,788.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,596.64 : 47,379.04 = 10,529.28 : x
  2. Step 2: Convert to fraction form
    31,596.64/47,379.04 = 10,529.28/x
  3. Step 3: Cross multiply
    31,596.64x = 47,379.04 × 10,529.28
  4. Step 4: Simplify right side
    31,596.64x = 498,867,178.29
  5. Step 5: Solve for x
    x = 498,867,178.29/31,596.64
  6. Step 6: Final answer
    x = 15,788.61

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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.