Home / 30,449.34-45,652.55-11,713.64

Finding the Fourth Proportional to 30,449.34, 45,652.55 and 11,713.64

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Solution

The fourth proportional to 30,449.34, 45,652.55 and 11,713.64 is: 17,562.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,449.34 : 45,652.55 = 11,713.64 : x
  2. Step 2: Convert to fraction form
    30,449.34/45,652.55 = 11,713.64/x
  3. Step 3: Cross multiply
    30,449.34x = 45,652.55 × 11,713.64
  4. Step 4: Simplify right side
    30,449.34x = 534,757,248.95
  5. Step 5: Solve for x
    x = 534,757,248.95/30,449.34
  6. Step 6: Final answer
    x = 17,562.20

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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.