Home / 31,060.26-46,590.66-7,686.90

Finding the Fourth Proportional to 31,060.26, 46,590.66 and 7,686.90

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Solution

The fourth proportional to 31,060.26, 46,590.66 and 7,686.90 is: 11,530.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,060.26 : 46,590.66 = 7,686.90 : x
  2. Step 2: Convert to fraction form
    31,060.26/46,590.66 = 7,686.90/x
  3. Step 3: Cross multiply
    31,060.26x = 46,590.66 × 7,686.90
  4. Step 4: Simplify right side
    31,060.26x = 358,137,744.35
  5. Step 5: Solve for x
    x = 358,137,744.35/31,060.26
  6. Step 6: Final answer
    x = 11,530.42

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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.