Home / 30,945.25-46,418.28-8,758.27

Finding the Fourth Proportional to 30,945.25, 46,418.28 and 8,758.27

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Solution

The fourth proportional to 30,945.25, 46,418.28 and 8,758.27 is: 13,137.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,945.25 : 46,418.28 = 8,758.27 : x
  2. Step 2: Convert to fraction form
    30,945.25/46,418.28 = 8,758.27/x
  3. Step 3: Cross multiply
    30,945.25x = 46,418.28 × 8,758.27
  4. Step 4: Simplify right side
    30,945.25x = 406,543,829.18
  5. Step 5: Solve for x
    x = 406,543,829.18/30,945.25
  6. Step 6: Final answer
    x = 13,137.52

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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.