Home / 31,016.45-46,507.05-21,167.66

Finding the Fourth Proportional to 31,016.45, 46,507.05 and 21,167.66

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Solution

The fourth proportional to 31,016.45, 46,507.05 and 21,167.66 is: 31,739.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,016.45 : 46,507.05 = 21,167.66 : x
  2. Step 2: Convert to fraction form
    31,016.45/46,507.05 = 21,167.66/x
  3. Step 3: Cross multiply
    31,016.45x = 46,507.05 × 21,167.66
  4. Step 4: Simplify right side
    31,016.45x = 984,445,422.00
  5. Step 5: Solve for x
    x = 984,445,422.00/31,016.45
  6. Step 6: Final answer
    x = 31,739.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.