Home / 31,159.94-46,737.14-7,786.35

Finding the Fourth Proportional to 31,159.94, 46,737.14 and 7,786.35

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Solution

The fourth proportional to 31,159.94, 46,737.14 and 7,786.35 is: 11,678.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,159.94 : 46,737.14 = 7,786.35 : x
  2. Step 2: Convert to fraction form
    31,159.94/46,737.14 = 7,786.35/x
  3. Step 3: Cross multiply
    31,159.94x = 46,737.14 × 7,786.35
  4. Step 4: Simplify right side
    31,159.94x = 363,911,691.11
  5. Step 5: Solve for x
    x = 363,911,691.11/31,159.94
  6. Step 6: Final answer
    x = 11,678.83

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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.