Home / 35,500.10-53,256.54-12,121.08

Finding the Fourth Proportional to 35,500.10, 53,256.54 and 12,121.08

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Solution

The fourth proportional to 35,500.10, 53,256.54 and 12,121.08 is: 18,183.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,500.10 : 53,256.54 = 12,121.08 : x
  2. Step 2: Convert to fraction form
    35,500.10/53,256.54 = 12,121.08/x
  3. Step 3: Cross multiply
    35,500.10x = 53,256.54 × 12,121.08
  4. Step 4: Simplify right side
    35,500.10x = 645,526,781.86
  5. Step 5: Solve for x
    x = 645,526,781.86/35,500.10
  6. Step 6: Final answer
    x = 18,183.80

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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.