Home / 31,282.85-43,184.31-19,967.33

Finding the Fourth Proportional to 31,282.85, 43,184.31 and 19,967.33

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Solution

The fourth proportional to 31,282.85, 43,184.31 and 19,967.33 is: 27,563.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,282.85 : 43,184.31 = 19,967.33 : x
  2. Step 2: Convert to fraction form
    31,282.85/43,184.31 = 19,967.33/x
  3. Step 3: Cross multiply
    31,282.85x = 43,184.31 × 19,967.33
  4. Step 4: Simplify right side
    31,282.85x = 862,275,368.59
  5. Step 5: Solve for x
    x = 862,275,368.59/31,282.85
  6. Step 6: Final answer
    x = 27,563.84

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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.