Home / 31,555.56-43,546.82-17,408.40

Finding the Fourth Proportional to 31,555.56, 43,546.82 and 17,408.40

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Solution

The fourth proportional to 31,555.56, 43,546.82 and 17,408.40 is: 24,023.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,555.56 : 43,546.82 = 17,408.40 : x
  2. Step 2: Convert to fraction form
    31,555.56/43,546.82 = 17,408.40/x
  3. Step 3: Cross multiply
    31,555.56x = 43,546.82 × 17,408.40
  4. Step 4: Simplify right side
    31,555.56x = 758,080,461.29
  5. Step 5: Solve for x
    x = 758,080,461.29/31,555.56
  6. Step 6: Final answer
    x = 24,023.67

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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.