Home / 31,347.88-46,991.10-12,892.84

Finding the Fourth Proportional to 31,347.88, 46,991.10 and 12,892.84

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Solution

The fourth proportional to 31,347.88, 46,991.10 and 12,892.84 is: 19,326.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,347.88 : 46,991.10 = 12,892.84 : x
  2. Step 2: Convert to fraction form
    31,347.88/46,991.10 = 12,892.84/x
  3. Step 3: Cross multiply
    31,347.88x = 46,991.10 × 12,892.84
  4. Step 4: Simplify right side
    31,347.88x = 605,848,733.72
  5. Step 5: Solve for x
    x = 605,848,733.72/31,347.88
  6. Step 6: Final answer
    x = 19,326.63

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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.