Home / 31,314.75-46,960.47-12,588.49

Finding the Fourth Proportional to 31,314.75, 46,960.47 and 12,588.49

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Solution

The fourth proportional to 31,314.75, 46,960.47 and 12,588.49 is: 18,878.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,314.75 : 46,960.47 = 12,588.49 : x
  2. Step 2: Convert to fraction form
    31,314.75/46,960.47 = 12,588.49/x
  3. Step 3: Cross multiply
    31,314.75x = 46,960.47 × 12,588.49
  4. Step 4: Simplify right side
    31,314.75x = 591,161,289.59
  5. Step 5: Solve for x
    x = 591,161,289.59/31,314.75
  6. Step 6: Final answer
    x = 18,878.04

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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.