Home / 31,315.12-46,941.09-19,636.54

Finding the Fourth Proportional to 31,315.12, 46,941.09 and 19,636.54

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Solution

The fourth proportional to 31,315.12, 46,941.09 and 19,636.54 is: 29,435.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,315.12 : 46,941.09 = 19,636.54 : x
  2. Step 2: Convert to fraction form
    31,315.12/46,941.09 = 19,636.54/x
  3. Step 3: Cross multiply
    31,315.12x = 46,941.09 × 19,636.54
  4. Step 4: Simplify right side
    31,315.12x = 921,760,591.43
  5. Step 5: Solve for x
    x = 921,760,591.43/31,315.12
  6. Step 6: Final answer
    x = 29,435.00

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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.