Home / 31,451.16-47,176.66-10,674.64

Finding the Fourth Proportional to 31,451.16, 47,176.66 and 10,674.64

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Solution

The fourth proportional to 31,451.16, 47,176.66 and 10,674.64 is: 16,011.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,451.16 : 47,176.66 = 10,674.64 : x
  2. Step 2: Convert to fraction form
    31,451.16/47,176.66 = 10,674.64/x
  3. Step 3: Cross multiply
    31,451.16x = 47,176.66 × 10,674.64
  4. Step 4: Simplify right side
    31,451.16x = 503,593,861.90
  5. Step 5: Solve for x
    x = 503,593,861.90/31,451.16
  6. Step 6: Final answer
    x = 16,011.93

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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.