Home / 31,963.40-44,108.63-18,351.05

Finding the Fourth Proportional to 31,963.40, 44,108.63 and 18,351.05

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Solution

The fourth proportional to 31,963.40, 44,108.63 and 18,351.05 is: 25,323.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,963.40 : 44,108.63 = 18,351.05 : x
  2. Step 2: Convert to fraction form
    31,963.40/44,108.63 = 18,351.05/x
  3. Step 3: Cross multiply
    31,963.40x = 44,108.63 × 18,351.05
  4. Step 4: Simplify right side
    31,963.40x = 809,439,362.26
  5. Step 5: Solve for x
    x = 809,439,362.26/31,963.40
  6. Step 6: Final answer
    x = 25,323.95

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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.