Home / 31,723.45-47,585.71-12,011.29

Finding the Fourth Proportional to 31,723.45, 47,585.71 and 12,011.29

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Solution

The fourth proportional to 31,723.45, 47,585.71 and 12,011.29 is: 18,017.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,723.45 : 47,585.71 = 12,011.29 : x
  2. Step 2: Convert to fraction form
    31,723.45/47,585.71 = 12,011.29/x
  3. Step 3: Cross multiply
    31,723.45x = 47,585.71 × 12,011.29
  4. Step 4: Simplify right side
    31,723.45x = 571,565,658.72
  5. Step 5: Solve for x
    x = 571,565,658.72/31,723.45
  6. Step 6: Final answer
    x = 18,017.14

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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.