Home / 31,331.84-46,968.96-13,551.38

Finding the Fourth Proportional to 31,331.84, 46,968.96 and 13,551.38

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Solution

The fourth proportional to 31,331.84, 46,968.96 and 13,551.38 is: 20,314.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,331.84 : 46,968.96 = 13,551.38 : x
  2. Step 2: Convert to fraction form
    31,331.84/46,968.96 = 13,551.38/x
  3. Step 3: Cross multiply
    31,331.84x = 46,968.96 × 13,551.38
  4. Step 4: Simplify right side
    31,331.84x = 636,494,225.16
  5. Step 5: Solve for x
    x = 636,494,225.16/31,331.84
  6. Step 6: Final answer
    x = 20,314.61

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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.