Home / 53,834.94-74,292.21-31,175.10

Finding the Fourth Proportional to 53,834.94, 74,292.21 and 31,175.10

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Solution

The fourth proportional to 53,834.94, 74,292.21 and 31,175.10 is: 43,021.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,834.94 : 74,292.21 = 31,175.10 : x
  2. Step 2: Convert to fraction form
    53,834.94/74,292.21 = 31,175.10/x
  3. Step 3: Cross multiply
    53,834.94x = 74,292.21 × 31,175.10
  4. Step 4: Simplify right side
    53,834.94x = 2,316,067,075.97
  5. Step 5: Solve for x
    x = 2,316,067,075.97/53,834.94
  6. Step 6: Final answer
    x = 43,021.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.