Home / 30,160.33-45,189.20-19,614.23

Finding the Fourth Proportional to 30,160.33, 45,189.20 and 19,614.23

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Solution

The fourth proportional to 30,160.33, 45,189.20 and 19,614.23 is: 29,387.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,160.33 : 45,189.20 = 19,614.23 : x
  2. Step 2: Convert to fraction form
    30,160.33/45,189.20 = 19,614.23/x
  3. Step 3: Cross multiply
    30,160.33x = 45,189.20 × 19,614.23
  4. Step 4: Simplify right side
    30,160.33x = 886,351,362.32
  5. Step 5: Solve for x
    x = 886,351,362.32/30,160.33
  6. Step 6: Final answer
    x = 29,387.99

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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.