Home / 30,016.12-45,024.18-7,829.44

Finding the Fourth Proportional to 30,016.12, 45,024.18 and 7,829.44

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Solution

The fourth proportional to 30,016.12, 45,024.18 and 7,829.44 is: 11,744.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,016.12 : 45,024.18 = 7,829.44 : x
  2. Step 2: Convert to fraction form
    30,016.12/45,024.18 = 7,829.44/x
  3. Step 3: Cross multiply
    30,016.12x = 45,024.18 × 7,829.44
  4. Step 4: Simplify right side
    30,016.12x = 352,514,115.86
  5. Step 5: Solve for x
    x = 352,514,115.86/30,016.12
  6. Step 6: Final answer
    x = 11,744.16

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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.