Home / 31,113.10-46,661.28-11,391.76

Finding the Fourth Proportional to 31,113.10, 46,661.28 and 11,391.76

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Solution

The fourth proportional to 31,113.10, 46,661.28 and 11,391.76 is: 17,084.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,113.10 : 46,661.28 = 11,391.76 : x
  2. Step 2: Convert to fraction form
    31,113.10/46,661.28 = 11,391.76/x
  3. Step 3: Cross multiply
    31,113.10x = 46,661.28 × 11,391.76
  4. Step 4: Simplify right side
    31,113.10x = 531,554,103.05
  5. Step 5: Solve for x
    x = 531,554,103.05/31,113.10
  6. Step 6: Final answer
    x = 17,084.58

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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.