Home / 30,911.98-46,371.02-8,725.55

Finding the Fourth Proportional to 30,911.98, 46,371.02 and 8,725.55

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Solution

The fourth proportional to 30,911.98, 46,371.02 and 8,725.55 is: 13,089.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,911.98 : 46,371.02 = 8,725.55 : x
  2. Step 2: Convert to fraction form
    30,911.98/46,371.02 = 8,725.55/x
  3. Step 3: Cross multiply
    30,911.98x = 46,371.02 × 8,725.55
  4. Step 4: Simplify right side
    30,911.98x = 404,612,653.56
  5. Step 5: Solve for x
    x = 404,612,653.56/30,911.98
  6. Step 6: Final answer
    x = 13,089.19

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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.