Home / 31,219.67-46,829.95-10,159.82

Finding the Fourth Proportional to 31,219.67, 46,829.95 and 10,159.82

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Solution

The fourth proportional to 31,219.67, 46,829.95 and 10,159.82 is: 15,239.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,219.67 : 46,829.95 = 10,159.82 : x
  2. Step 2: Convert to fraction form
    31,219.67/46,829.95 = 10,159.82/x
  3. Step 3: Cross multiply
    31,219.67x = 46,829.95 × 10,159.82
  4. Step 4: Simplify right side
    31,219.67x = 475,783,811.81
  5. Step 5: Solve for x
    x = 475,783,811.81/31,219.67
  6. Step 6: Final answer
    x = 15,239.87

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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.