Home / 31,081.24-46,623.42-8,897.80

Finding the Fourth Proportional to 31,081.24, 46,623.42 and 8,897.80

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Solution

The fourth proportional to 31,081.24, 46,623.42 and 8,897.80 is: 13,347.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,081.24 : 46,623.42 = 8,897.80 : x
  2. Step 2: Convert to fraction form
    31,081.24/46,623.42 = 8,897.80/x
  3. Step 3: Cross multiply
    31,081.24x = 46,623.42 × 8,897.80
  4. Step 4: Simplify right side
    31,081.24x = 414,845,866.48
  5. Step 5: Solve for x
    x = 414,845,866.48/31,081.24
  6. Step 6: Final answer
    x = 13,347.15

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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.