Home / 31,236.70-43,106.28-17,089.39

Finding the Fourth Proportional to 31,236.70, 43,106.28 and 17,089.39

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Solution

The fourth proportional to 31,236.70, 43,106.28 and 17,089.39 is: 23,583.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,236.70 : 43,106.28 = 17,089.39 : x
  2. Step 2: Convert to fraction form
    31,236.70/43,106.28 = 17,089.39/x
  3. Step 3: Cross multiply
    31,236.70x = 43,106.28 × 17,089.39
  4. Step 4: Simplify right side
    31,236.70x = 736,660,030.37
  5. Step 5: Solve for x
    x = 736,660,030.37/31,236.70
  6. Step 6: Final answer
    x = 23,583.16

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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.