Home / 31,037.18-46,555.97-21,151.94

Finding the Fourth Proportional to 31,037.18, 46,555.97 and 21,151.94

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Solution

The fourth proportional to 31,037.18, 46,555.97 and 21,151.94 is: 31,728.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,037.18 : 46,555.97 = 21,151.94 : x
  2. Step 2: Convert to fraction form
    31,037.18/46,555.97 = 21,151.94/x
  3. Step 3: Cross multiply
    31,037.18x = 46,555.97 × 21,151.94
  4. Step 4: Simplify right side
    31,037.18x = 984,748,745.54
  5. Step 5: Solve for x
    x = 984,748,745.54/31,037.18
  6. Step 6: Final answer
    x = 31,728.04

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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.