Home / 31,313.22-46,990.18-13,561.21

Finding the Fourth Proportional to 31,313.22, 46,990.18 and 13,561.21

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Solution

The fourth proportional to 31,313.22, 46,990.18 and 13,561.21 is: 20,350.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,313.22 : 46,990.18 = 13,561.21 : x
  2. Step 2: Convert to fraction form
    31,313.22/46,990.18 = 13,561.21/x
  3. Step 3: Cross multiply
    31,313.22x = 46,990.18 × 13,561.21
  4. Step 4: Simplify right side
    31,313.22x = 637,243,698.92
  5. Step 5: Solve for x
    x = 637,243,698.92/31,313.22
  6. Step 6: Final answer
    x = 20,350.63

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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.