Home / 31,895.97-43,970.81-22,435.17

Finding the Fourth Proportional to 31,895.97, 43,970.81 and 22,435.17

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Solution

The fourth proportional to 31,895.97, 43,970.81 and 22,435.17 is: 30,928.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,895.97 : 43,970.81 = 22,435.17 : x
  2. Step 2: Convert to fraction form
    31,895.97/43,970.81 = 22,435.17/x
  3. Step 3: Cross multiply
    31,895.97x = 43,970.81 × 22,435.17
  4. Step 4: Simplify right side
    31,895.97x = 986,492,597.39
  5. Step 5: Solve for x
    x = 986,492,597.39/31,895.97
  6. Step 6: Final answer
    x = 30,928.44

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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.