Home / 31,682.87-43,717.47-18,251.50

Finding the Fourth Proportional to 31,682.87, 43,717.47 and 18,251.50

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Solution

The fourth proportional to 31,682.87, 43,717.47 and 18,251.50 is: 25,184.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,682.87 : 43,717.47 = 18,251.50 : x
  2. Step 2: Convert to fraction form
    31,682.87/43,717.47 = 18,251.50/x
  3. Step 3: Cross multiply
    31,682.87x = 43,717.47 × 18,251.50
  4. Step 4: Simplify right side
    31,682.87x = 797,909,294.41
  5. Step 5: Solve for x
    x = 797,909,294.41/31,682.87
  6. Step 6: Final answer
    x = 25,184.25

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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.