Home / 30,107.58-45,136.68-11,376.96

Finding the Fourth Proportional to 30,107.58, 45,136.68 and 11,376.96

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Solution

The fourth proportional to 30,107.58, 45,136.68 and 11,376.96 is: 17,056.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,107.58 : 45,136.68 = 11,376.96 : x
  2. Step 2: Convert to fraction form
    30,107.58/45,136.68 = 11,376.96/x
  3. Step 3: Cross multiply
    30,107.58x = 45,136.68 × 11,376.96
  4. Step 4: Simplify right side
    30,107.58x = 513,518,202.89
  5. Step 5: Solve for x
    x = 513,518,202.89/30,107.58
  6. Step 6: Final answer
    x = 17,056.11

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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.