Home / 40,918.84-61,391.22-14,623

Finding the Fourth Proportional to 40,918.84, 61,391.22 and 14,623

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Solution

The fourth proportional to 40,918.84, 61,391.22 and 14,623 is: 21,939.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,918.84 : 61,391.22 = 14,623 : x
  2. Step 2: Convert to fraction form
    40,918.84/61,391.22 = 14,623/x
  3. Step 3: Cross multiply
    40,918.84x = 61,391.22 × 14,623
  4. Step 4: Simplify right side
    40,918.84x = 897,723,810.06
  5. Step 5: Solve for x
    x = 897,723,810.06/40,918.84
  6. Step 6: Final answer
    x = 21,939.13

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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.