Home / 30,992.07-46,487.70-7,618.71

Finding the Fourth Proportional to 30,992.07, 46,487.70 and 7,618.71

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Solution

The fourth proportional to 30,992.07, 46,487.70 and 7,618.71 is: 11,427.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,992.07 : 46,487.70 = 7,618.71 : x
  2. Step 2: Convert to fraction form
    30,992.07/46,487.70 = 7,618.71/x
  3. Step 3: Cross multiply
    30,992.07x = 46,487.70 × 7,618.71
  4. Step 4: Simplify right side
    30,992.07x = 354,176,304.87
  5. Step 5: Solve for x
    x = 354,176,304.87/30,992.07
  6. Step 6: Final answer
    x = 11,427.97

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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.