Home / 30,109.53-45,148.01-23,909.43

Finding the Fourth Proportional to 30,109.53, 45,148.01 and 23,909.43

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Solution

The fourth proportional to 30,109.53, 45,148.01 and 23,909.43 is: 35,851.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,109.53 : 45,148.01 = 23,909.43 : x
  2. Step 2: Convert to fraction form
    30,109.53/45,148.01 = 23,909.43/x
  3. Step 3: Cross multiply
    30,109.53x = 45,148.01 × 23,909.43
  4. Step 4: Simplify right side
    30,109.53x = 1,079,463,065.19
  5. Step 5: Solve for x
    x = 1,079,463,065.19/30,109.53
  6. Step 6: Final answer
    x = 35,851.21

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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.