Home / 31,150.08-46,707.17-21,301.29

Finding the Fourth Proportional to 31,150.08, 46,707.17 and 21,301.29

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Solution

The fourth proportional to 31,150.08, 46,707.17 and 21,301.29 is: 31,939.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,150.08 : 46,707.17 = 21,301.29 : x
  2. Step 2: Convert to fraction form
    31,150.08/46,707.17 = 21,301.29/x
  3. Step 3: Cross multiply
    31,150.08x = 46,707.17 × 21,301.29
  4. Step 4: Simplify right side
    31,150.08x = 994,922,866.74
  5. Step 5: Solve for x
    x = 994,922,866.74/31,150.08
  6. Step 6: Final answer
    x = 31,939.66

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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.