Home / 30,481.60-45,725.64-9,700.24

Finding the Fourth Proportional to 30,481.60, 45,725.64 and 9,700.24

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Solution

The fourth proportional to 30,481.60, 45,725.64 and 9,700.24 is: 14,551.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,481.60 : 45,725.64 = 9,700.24 : x
  2. Step 2: Convert to fraction form
    30,481.60/45,725.64 = 9,700.24/x
  3. Step 3: Cross multiply
    30,481.60x = 45,725.64 × 9,700.24
  4. Step 4: Simplify right side
    30,481.60x = 443,549,682.15
  5. Step 5: Solve for x
    x = 443,549,682.15/30,481.60
  6. Step 6: Final answer
    x = 14,551.39

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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.