Home / 31,395.49-43,333.25-17,974.51

Finding the Fourth Proportional to 31,395.49, 43,333.25 and 17,974.51

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Solution

The fourth proportional to 31,395.49, 43,333.25 and 17,974.51 is: 24,809.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,395.49 : 43,333.25 = 17,974.51 : x
  2. Step 2: Convert to fraction form
    31,395.49/43,333.25 = 17,974.51/x
  3. Step 3: Cross multiply
    31,395.49x = 43,333.25 × 17,974.51
  4. Step 4: Simplify right side
    31,395.49x = 778,893,737.25
  5. Step 5: Solve for x
    x = 778,893,737.25/31,395.49
  6. Step 6: Final answer
    x = 24,809.10

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1.5x scale

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.