Home / 31,307.36-43,202.64-17,157.68

Finding the Fourth Proportional to 31,307.36, 43,202.64 and 17,157.68

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Solution

The fourth proportional to 31,307.36, 43,202.64 and 17,157.68 is: 23,676.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,307.36 : 43,202.64 = 17,157.68 : x
  2. Step 2: Convert to fraction form
    31,307.36/43,202.64 = 17,157.68/x
  3. Step 3: Cross multiply
    31,307.36x = 43,202.64 × 17,157.68
  4. Step 4: Simplify right side
    31,307.36x = 741,257,072.28
  5. Step 5: Solve for x
    x = 741,257,072.28/31,307.36
  6. Step 6: Final answer
    x = 23,676.77

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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.