Home / 30,564.36-45,829.26-18,086.04

Finding the Fourth Proportional to 30,564.36, 45,829.26 and 18,086.04

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Solution

The fourth proportional to 30,564.36, 45,829.26 and 18,086.04 is: 27,118.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,564.36 : 45,829.26 = 18,086.04 : x
  2. Step 2: Convert to fraction form
    30,564.36/45,829.26 = 18,086.04/x
  3. Step 3: Cross multiply
    30,564.36x = 45,829.26 × 18,086.04
  4. Step 4: Simplify right side
    30,564.36x = 828,869,829.53
  5. Step 5: Solve for x
    x = 828,869,829.53/30,564.36
  6. Step 6: Final answer
    x = 27,118.83

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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.