Home / 31,039.54-42,835.53-17,611.36

Finding the Fourth Proportional to 31,039.54, 42,835.53 and 17,611.36

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Solution

The fourth proportional to 31,039.54, 42,835.53 and 17,611.36 is: 24,304.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,039.54 : 42,835.53 = 17,611.36 : x
  2. Step 2: Convert to fraction form
    31,039.54/42,835.53 = 17,611.36/x
  3. Step 3: Cross multiply
    31,039.54x = 42,835.53 × 17,611.36
  4. Step 4: Simplify right side
    31,039.54x = 754,391,939.62
  5. Step 5: Solve for x
    x = 754,391,939.62/31,039.54
  6. Step 6: Final answer
    x = 24,304.22

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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.