Home / 45,110.04-67,611.99-18,439.57

Finding the Fourth Proportional to 45,110.04, 67,611.99 and 18,439.57

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Solution

The fourth proportional to 45,110.04, 67,611.99 and 18,439.57 is: 27,637.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,110.04 : 67,611.99 = 18,439.57 : x
  2. Step 2: Convert to fraction form
    45,110.04/67,611.99 = 18,439.57/x
  3. Step 3: Cross multiply
    45,110.04x = 67,611.99 × 18,439.57
  4. Step 4: Simplify right side
    45,110.04x = 1,246,736,022.44
  5. Step 5: Solve for x
    x = 1,246,736,022.44/45,110.04
  6. Step 6: Final answer
    x = 27,637.66

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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.