Home / 31,316.68-46,974.92-7,943.06

Finding the Fourth Proportional to 31,316.68, 46,974.92 and 7,943.06

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Solution

The fourth proportional to 31,316.68, 46,974.92 and 7,943.06 is: 11,914.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,316.68 : 46,974.92 = 7,943.06 : x
  2. Step 2: Convert to fraction form
    31,316.68/46,974.92 = 7,943.06/x
  3. Step 3: Cross multiply
    31,316.68x = 46,974.92 × 7,943.06
  4. Step 4: Simplify right side
    31,316.68x = 373,124,608.06
  5. Step 5: Solve for x
    x = 373,124,608.06/31,316.68
  6. Step 6: Final answer
    x = 11,914.56

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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.