Home / 31,330.46-46,990.83-9,141.52

Finding the Fourth Proportional to 31,330.46, 46,990.83 and 9,141.52

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Solution

The fourth proportional to 31,330.46, 46,990.83 and 9,141.52 is: 13,710.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,330.46 : 46,990.83 = 9,141.52 : x
  2. Step 2: Convert to fraction form
    31,330.46/46,990.83 = 9,141.52/x
  3. Step 3: Cross multiply
    31,330.46x = 46,990.83 × 9,141.52
  4. Step 4: Simplify right side
    31,330.46x = 429,567,612.26
  5. Step 5: Solve for x
    x = 429,567,612.26/31,330.46
  6. Step 6: Final answer
    x = 13,710.86

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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.