Home / 36,111.96-54,148.62-12,085.70

Finding the Fourth Proportional to 36,111.96, 54,148.62 and 12,085.70

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Solution

The fourth proportional to 36,111.96, 54,148.62 and 12,085.70 is: 18,122.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,111.96 : 54,148.62 = 12,085.70 : x
  2. Step 2: Convert to fraction form
    36,111.96/54,148.62 = 12,085.70/x
  3. Step 3: Cross multiply
    36,111.96x = 54,148.62 × 12,085.70
  4. Step 4: Simplify right side
    36,111.96x = 654,423,705.99
  5. Step 5: Solve for x
    x = 654,423,705.99/36,111.96
  6. Step 6: Final answer
    x = 18,122.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.