Home / 30,085.60-41,516.66-16,656.60

Finding the Fourth Proportional to 30,085.60, 41,516.66 and 16,656.60

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Solution

The fourth proportional to 30,085.60, 41,516.66 and 16,656.60 is: 22,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,085.60 : 41,516.66 = 16,656.60 : x
  2. Step 2: Convert to fraction form
    30,085.60/41,516.66 = 16,656.60/x
  3. Step 3: Cross multiply
    30,085.60x = 41,516.66 × 16,656.60
  4. Step 4: Simplify right side
    30,085.60x = 691,526,398.96
  5. Step 5: Solve for x
    x = 691,526,398.96/30,085.60
  6. Step 6: Final answer
    x = 22,985.30

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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.