Home / 31,717.56-43,770.60-17,570.64

Finding the Fourth Proportional to 31,717.56, 43,770.60 and 17,570.64

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Solution

The fourth proportional to 31,717.56, 43,770.60 and 17,570.64 is: 24,247.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,717.56 : 43,770.60 = 17,570.64 : x
  2. Step 2: Convert to fraction form
    31,717.56/43,770.60 = 17,570.64/x
  3. Step 3: Cross multiply
    31,717.56x = 43,770.60 × 17,570.64
  4. Step 4: Simplify right side
    31,717.56x = 769,077,455.18
  5. Step 5: Solve for x
    x = 769,077,455.18/31,717.56
  6. Step 6: Final answer
    x = 24,247.69

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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.