Home / 31,307.45-43,207.01-17,163.02

Finding the Fourth Proportional to 31,307.45, 43,207.01 and 17,163.02

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Solution

The fourth proportional to 31,307.45, 43,207.01 and 17,163.02 is: 23,686.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,307.45 : 43,207.01 = 17,163.02 : x
  2. Step 2: Convert to fraction form
    31,307.45/43,207.01 = 17,163.02/x
  3. Step 3: Cross multiply
    31,307.45x = 43,207.01 × 17,163.02
  4. Step 4: Simplify right side
    31,307.45x = 741,562,474.92
  5. Step 5: Solve for x
    x = 741,562,474.92/31,307.45
  6. Step 6: Final answer
    x = 23,686.46

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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.