Home / 30,179.95-41,646.38-16,751.21

Finding the Fourth Proportional to 30,179.95, 41,646.38 and 16,751.21

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Solution

The fourth proportional to 30,179.95, 41,646.38 and 16,751.21 is: 23,115.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,179.95 : 41,646.38 = 16,751.21 : x
  2. Step 2: Convert to fraction form
    30,179.95/41,646.38 = 16,751.21/x
  3. Step 3: Cross multiply
    30,179.95x = 41,646.38 × 16,751.21
  4. Step 4: Simplify right side
    30,179.95x = 697,626,965.13
  5. Step 5: Solve for x
    x = 697,626,965.13/30,179.95
  6. Step 6: Final answer
    x = 23,115.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.