Home / 30,145.60-41,600.14-16,716.82

Finding the Fourth Proportional to 30,145.60, 41,600.14 and 16,716.82

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Solution

The fourth proportional to 30,145.60, 41,600.14 and 16,716.82 is: 23,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,145.60 : 41,600.14 = 16,716.82 : x
  2. Step 2: Convert to fraction form
    30,145.60/41,600.14 = 16,716.82/x
  3. Step 3: Cross multiply
    30,145.60x = 41,600.14 × 16,716.82
  4. Step 4: Simplify right side
    30,145.60x = 695,422,052.35
  5. Step 5: Solve for x
    x = 695,422,052.35/30,145.60
  6. Step 6: Final answer
    x = 23,068.77

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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.