Home / 31,379.13-46,842.93-26,888.43

Finding the Fourth Proportional to 31,379.13, 46,842.93 and 26,888.43

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Solution

The fourth proportional to 31,379.13, 46,842.93 and 26,888.43 is: 40,139.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,379.13 : 46,842.93 = 26,888.43 : x
  2. Step 2: Convert to fraction form
    31,379.13/46,842.93 = 26,888.43/x
  3. Step 3: Cross multiply
    31,379.13x = 46,842.93 × 26,888.43
  4. Step 4: Simplify right side
    31,379.13x = 1,259,532,844.30
  5. Step 5: Solve for x
    x = 1,259,532,844.30/31,379.13
  6. Step 6: Final answer
    x = 40,139.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.