Home / 31,353.07-43,265.51-17,204.80

Finding the Fourth Proportional to 31,353.07, 43,265.51 and 17,204.80

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Solution

The fourth proportional to 31,353.07, 43,265.51 and 17,204.80 is: 23,741.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,353.07 : 43,265.51 = 17,204.80 : x
  2. Step 2: Convert to fraction form
    31,353.07/43,265.51 = 17,204.80/x
  3. Step 3: Cross multiply
    31,353.07x = 43,265.51 × 17,204.80
  4. Step 4: Simplify right side
    31,353.07x = 744,374,144.10
  5. Step 5: Solve for x
    x = 744,374,144.10/31,353.07
  6. Step 6: Final answer
    x = 23,741.67

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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.