Home / 30,436.36-45,654.54-8,249.74

Finding the Fourth Proportional to 30,436.36, 45,654.54 and 8,249.74

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Solution

The fourth proportional to 30,436.36, 45,654.54 and 8,249.74 is: 12,374.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,436.36 : 45,654.54 = 8,249.74 : x
  2. Step 2: Convert to fraction form
    30,436.36/45,654.54 = 8,249.74/x
  3. Step 3: Cross multiply
    30,436.36x = 45,654.54 × 8,249.74
  4. Step 4: Simplify right side
    30,436.36x = 376,637,856.55
  5. Step 5: Solve for x
    x = 376,637,856.55/30,436.36
  6. Step 6: Final answer
    x = 12,374.60

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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.