Home / 30,036.66-45,019.62-12,256.22

Finding the Fourth Proportional to 30,036.66, 45,019.62 and 12,256.22

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Solution

The fourth proportional to 30,036.66, 45,019.62 and 12,256.22 is: 18,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,036.66 : 45,019.62 = 12,256.22 : x
  2. Step 2: Convert to fraction form
    30,036.66/45,019.62 = 12,256.22/x
  3. Step 3: Cross multiply
    30,036.66x = 45,019.62 × 12,256.22
  4. Step 4: Simplify right side
    30,036.66x = 551,770,479.59
  5. Step 5: Solve for x
    x = 551,770,479.59/30,036.66
  6. Step 6: Final answer
    x = 18,369.90

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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.