Home / 30,084.04-45,141.45-12,327.64

Finding the Fourth Proportional to 30,084.04, 45,141.45 and 12,327.64

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Solution

The fourth proportional to 30,084.04, 45,141.45 and 12,327.64 is: 18,497.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,084.04 : 45,141.45 = 12,327.64 : x
  2. Step 2: Convert to fraction form
    30,084.04/45,141.45 = 12,327.64/x
  3. Step 3: Cross multiply
    30,084.04x = 45,141.45 × 12,327.64
  4. Step 4: Simplify right side
    30,084.04x = 556,487,544.68
  5. Step 5: Solve for x
    x = 556,487,544.68/30,084.04
  6. Step 6: Final answer
    x = 18,497.77

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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.