Home / 30,321.66-41,845.16-16,892.91

Finding the Fourth Proportional to 30,321.66, 41,845.16 and 16,892.91

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Solution

The fourth proportional to 30,321.66, 41,845.16 and 16,892.91 is: 23,312.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,321.66 : 41,845.16 = 16,892.91 : x
  2. Step 2: Convert to fraction form
    30,321.66/41,845.16 = 16,892.91/x
  3. Step 3: Cross multiply
    30,321.66x = 41,845.16 × 16,892.91
  4. Step 4: Simplify right side
    30,321.66x = 706,886,228.13
  5. Step 5: Solve for x
    x = 706,886,228.13/30,321.66
  6. Step 6: Final answer
    x = 23,312.92

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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.