Home / 30,085.23-41,517.12-16,656.20

Finding the Fourth Proportional to 30,085.23, 41,517.12 and 16,656.20

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Solution

The fourth proportional to 30,085.23, 41,517.12 and 16,656.20 is: 22,985.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,085.23 : 41,517.12 = 16,656.20 : x
  2. Step 2: Convert to fraction form
    30,085.23/41,517.12 = 16,656.20/x
  3. Step 3: Cross multiply
    30,085.23x = 41,517.12 × 16,656.20
  4. Step 4: Simplify right side
    30,085.23x = 691,517,246.56
  5. Step 5: Solve for x
    x = 691,517,246.56/30,085.23
  6. Step 6: Final answer
    x = 22,985.27

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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.