Home / 30,915.68-46,377.24-10,921.07

Finding the Fourth Proportional to 30,915.68, 46,377.24 and 10,921.07

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Solution

The fourth proportional to 30,915.68, 46,377.24 and 10,921.07 is: 16,382.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,915.68 : 46,377.24 = 10,921.07 : x
  2. Step 2: Convert to fraction form
    30,915.68/46,377.24 = 10,921.07/x
  3. Step 3: Cross multiply
    30,915.68x = 46,377.24 × 10,921.07
  4. Step 4: Simplify right side
    30,915.68x = 506,489,084.45
  5. Step 5: Solve for x
    x = 506,489,084.45/30,915.68
  6. Step 6: Final answer
    x = 16,382.92

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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.