Home / 46,429.92-69,686.82-31,400.70

Finding the Fourth Proportional to 46,429.92, 69,686.82 and 31,400.70

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Solution

The fourth proportional to 46,429.92, 69,686.82 and 31,400.70 is: 47,129.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,429.92 : 69,686.82 = 31,400.70 : x
  2. Step 2: Convert to fraction form
    46,429.92/69,686.82 = 31,400.70/x
  3. Step 3: Cross multiply
    46,429.92x = 69,686.82 × 31,400.70
  4. Step 4: Simplify right side
    46,429.92x = 2,188,214,928.77
  5. Step 5: Solve for x
    x = 2,188,214,928.77/46,429.92
  6. Step 6: Final answer
    x = 47,129.41

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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.