Home / 35,398.08-53,059.32-18,747.72

Finding the Fourth Proportional to 35,398.08, 53,059.32 and 18,747.72

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Solution

The fourth proportional to 35,398.08, 53,059.32 and 18,747.72 is: 28,101.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,398.08 : 53,059.32 = 18,747.72 : x
  2. Step 2: Convert to fraction form
    35,398.08/53,059.32 = 18,747.72/x
  3. Step 3: Cross multiply
    35,398.08x = 53,059.32 × 18,747.72
  4. Step 4: Simplify right side
    35,398.08x = 994,741,274.75
  5. Step 5: Solve for x
    x = 994,741,274.75/35,398.08
  6. Step 6: Final answer
    x = 28,101.56

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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.