Home / 30,014.43-45,007.52-17,538.05

Finding the Fourth Proportional to 30,014.43, 45,007.52 and 17,538.05

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Solution

The fourth proportional to 30,014.43, 45,007.52 and 17,538.05 is: 26,298.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,014.43 : 45,007.52 = 17,538.05 : x
  2. Step 2: Convert to fraction form
    30,014.43/45,007.52 = 17,538.05/x
  3. Step 3: Cross multiply
    30,014.43x = 45,007.52 × 17,538.05
  4. Step 4: Simplify right side
    30,014.43x = 789,343,823.41
  5. Step 5: Solve for x
    x = 789,343,823.41/30,014.43
  6. Step 6: Final answer
    x = 26,298.81

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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.