Home / 30,892.26-42,631.18-16,745.07

Finding the Fourth Proportional to 30,892.26, 42,631.18 and 16,745.07

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Solution

The fourth proportional to 30,892.26, 42,631.18 and 16,745.07 is: 23,108.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,892.26 : 42,631.18 = 16,745.07 : x
  2. Step 2: Convert to fraction form
    30,892.26/42,631.18 = 16,745.07/x
  3. Step 3: Cross multiply
    30,892.26x = 42,631.18 × 16,745.07
  4. Step 4: Simplify right side
    30,892.26x = 713,862,093.28
  5. Step 5: Solve for x
    x = 713,862,093.28/30,892.26
  6. Step 6: Final answer
    x = 23,108.12

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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.