Home / 31,329.46-46,989.33-9,140.52

Finding the Fourth Proportional to 31,329.46, 46,989.33 and 9,140.52

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Solution

The fourth proportional to 31,329.46, 46,989.33 and 9,140.52 is: 13,709.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,329.46 : 46,989.33 = 9,140.52 : x
  2. Step 2: Convert to fraction form
    31,329.46/46,989.33 = 9,140.52/x
  3. Step 3: Cross multiply
    31,329.46x = 46,989.33 × 9,140.52
  4. Step 4: Simplify right side
    31,329.46x = 429,506,910.65
  5. Step 5: Solve for x
    x = 429,506,910.65/31,329.46
  6. Step 6: Final answer
    x = 13,709.36

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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.