Home / 30,626.62-45,935.74-8,436.80

Finding the Fourth Proportional to 30,626.62, 45,935.74 and 8,436.80

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Solution

The fourth proportional to 30,626.62, 45,935.74 and 8,436.80 is: 12,654.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,626.62 : 45,935.74 = 8,436.80 : x
  2. Step 2: Convert to fraction form
    30,626.62/45,935.74 = 8,436.80/x
  3. Step 3: Cross multiply
    30,626.62x = 45,935.74 × 8,436.80
  4. Step 4: Simplify right side
    30,626.62x = 387,550,776.62
  5. Step 5: Solve for x
    x = 387,550,776.62/30,626.62
  6. Step 6: Final answer
    x = 12,654.05

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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.