Home / 30,757.39-42,445.20-16,610.24

Finding the Fourth Proportional to 30,757.39, 42,445.20 and 16,610.24

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Solution

The fourth proportional to 30,757.39, 42,445.20 and 16,610.24 is: 22,922.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,757.39 : 42,445.20 = 16,610.24 : x
  2. Step 2: Convert to fraction form
    30,757.39/42,445.20 = 16,610.24/x
  3. Step 3: Cross multiply
    30,757.39x = 42,445.20 × 16,610.24
  4. Step 4: Simplify right side
    30,757.39x = 705,024,958.85
  5. Step 5: Solve for x
    x = 705,024,958.85/30,757.39
  6. Step 6: Final answer
    x = 22,922.13

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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.