Home / 31,314.57-46,960.19-12,588.30

Finding the Fourth Proportional to 31,314.57, 46,960.19 and 12,588.30

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Solution

The fourth proportional to 31,314.57, 46,960.19 and 12,588.30 is: 18,877.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,314.57 : 46,960.19 = 12,588.30 : x
  2. Step 2: Convert to fraction form
    31,314.57/46,960.19 = 12,588.30/x
  3. Step 3: Cross multiply
    31,314.57x = 46,960.19 × 12,588.30
  4. Step 4: Simplify right side
    31,314.57x = 591,148,944.04
  5. Step 5: Solve for x
    x = 591,148,944.04/31,314.57
  6. Step 6: Final answer
    x = 18,877.76

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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.