Home / 30,805.14-46,199.79-12,085.86

Finding the Fourth Proportional to 30,805.14, 46,199.79 and 12,085.86

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Solution

The fourth proportional to 30,805.14, 46,199.79 and 12,085.86 is: 18,125.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,805.14 : 46,199.79 = 12,085.86 : x
  2. Step 2: Convert to fraction form
    30,805.14/46,199.79 = 12,085.86/x
  3. Step 3: Cross multiply
    30,805.14x = 46,199.79 × 12,085.86
  4. Step 4: Simplify right side
    30,805.14x = 558,364,193.97
  5. Step 5: Solve for x
    x = 558,364,193.97/30,805.14
  6. Step 6: Final answer
    x = 18,125.68

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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.