Home / 31,211.11-46,806.95-10,429.75

Finding the Fourth Proportional to 31,211.11, 46,806.95 and 10,429.75

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Solution

The fourth proportional to 31,211.11, 46,806.95 and 10,429.75 is: 15,641.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,211.11 : 46,806.95 = 10,429.75 : x
  2. Step 2: Convert to fraction form
    31,211.11/46,806.95 = 10,429.75/x
  3. Step 3: Cross multiply
    31,211.11x = 46,806.95 × 10,429.75
  4. Step 4: Simplify right side
    31,211.11x = 488,184,734.61
  5. Step 5: Solve for x
    x = 488,184,734.61/31,211.11
  6. Step 6: Final answer
    x = 15,641.38

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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.