Home / 31,371.84-46,995.66-18,895.14

Finding the Fourth Proportional to 31,371.84, 46,995.66 and 18,895.14

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Solution

The fourth proportional to 31,371.84, 46,995.66 and 18,895.14 is: 28,305.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,371.84 : 46,995.66 = 18,895.14 : x
  2. Step 2: Convert to fraction form
    31,371.84/46,995.66 = 18,895.14/x
  3. Step 3: Cross multiply
    31,371.84x = 46,995.66 × 18,895.14
  4. Step 4: Simplify right side
    31,371.84x = 887,989,575.09
  5. Step 5: Solve for x
    x = 887,989,575.09/31,371.84
  6. Step 6: Final answer
    x = 28,305.31

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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.