Home / 31,305.88-46,966.50-9,119.46

Finding the Fourth Proportional to 31,305.88, 46,966.50 and 9,119.46

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Solution

The fourth proportional to 31,305.88, 46,966.50 and 9,119.46 is: 13,681.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,305.88 : 46,966.50 = 9,119.46 : x
  2. Step 2: Convert to fraction form
    31,305.88/46,966.50 = 9,119.46/x
  3. Step 3: Cross multiply
    31,305.88x = 46,966.50 × 9,119.46
  4. Step 4: Simplify right side
    31,305.88x = 428,309,118.09
  5. Step 5: Solve for x
    x = 428,309,118.09/31,305.88
  6. Step 6: Final answer
    x = 13,681.43

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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.