Home / 30,553.56-45,829.80-13,035.42

Finding the Fourth Proportional to 30,553.56, 45,829.80 and 13,035.42

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Solution

The fourth proportional to 30,553.56, 45,829.80 and 13,035.42 is: 19,552.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,553.56 : 45,829.80 = 13,035.42 : x
  2. Step 2: Convert to fraction form
    30,553.56/45,829.80 = 13,035.42/x
  3. Step 3: Cross multiply
    30,553.56x = 45,829.80 × 13,035.42
  4. Step 4: Simplify right side
    30,553.56x = 597,410,691.52
  5. Step 5: Solve for x
    x = 597,410,691.52/30,553.56
  6. Step 6: Final answer
    x = 19,552.90

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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.