Home / 30,320.40-41,845.23-16,893.84

Finding the Fourth Proportional to 30,320.40, 41,845.23 and 16,893.84

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Solution

The fourth proportional to 30,320.40, 41,845.23 and 16,893.84 is: 23,315.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,320.40 : 41,845.23 = 16,893.84 : x
  2. Step 2: Convert to fraction form
    30,320.40/41,845.23 = 16,893.84/x
  3. Step 3: Cross multiply
    30,320.40x = 41,845.23 × 16,893.84
  4. Step 4: Simplify right side
    30,320.40x = 706,926,620.38
  5. Step 5: Solve for x
    x = 706,926,620.38/30,320.40
  6. Step 6: Final answer
    x = 23,315.21

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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.