Home / 30,429.18-45,599.94-12,874.86

Finding the Fourth Proportional to 30,429.18, 45,599.94 and 12,874.86

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Solution

The fourth proportional to 30,429.18, 45,599.94 and 12,874.86 is: 19,293.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,429.18 : 45,599.94 = 12,874.86 : x
  2. Step 2: Convert to fraction form
    30,429.18/45,599.94 = 12,874.86/x
  3. Step 3: Cross multiply
    30,429.18x = 45,599.94 × 12,874.86
  4. Step 4: Simplify right side
    30,429.18x = 587,092,843.51
  5. Step 5: Solve for x
    x = 587,092,843.51/30,429.18
  6. Step 6: Final answer
    x = 19,293.75

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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.