Home / 35,898.86-53,813.57-20,111.56

Finding the Fourth Proportional to 35,898.86, 53,813.57 and 20,111.56

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Solution

The fourth proportional to 35,898.86, 53,813.57 and 20,111.56 is: 30,147.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,898.86 : 53,813.57 = 20,111.56 : x
  2. Step 2: Convert to fraction form
    35,898.86/53,813.57 = 20,111.56/x
  3. Step 3: Cross multiply
    35,898.86x = 53,813.57 × 20,111.56
  4. Step 4: Simplify right side
    35,898.86x = 1,082,274,606.78
  5. Step 5: Solve for x
    x = 1,082,274,606.78/35,898.86
  6. Step 6: Final answer
    x = 30,147.88

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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.