Home / 31,288.62-46,923.11-10,223.86

Finding the Fourth Proportional to 31,288.62, 46,923.11 and 10,223.86

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Solution

The fourth proportional to 31,288.62, 46,923.11 and 10,223.86 is: 15,332.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,288.62 : 46,923.11 = 10,223.86 : x
  2. Step 2: Convert to fraction form
    31,288.62/46,923.11 = 10,223.86/x
  3. Step 3: Cross multiply
    31,288.62x = 46,923.11 × 10,223.86
  4. Step 4: Simplify right side
    31,288.62x = 479,735,307.40
  5. Step 5: Solve for x
    x = 479,735,307.40/31,288.62
  6. Step 6: Final answer
    x = 15,332.58

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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.