Home / 30,158.33-45,186.20-19,612.23

Finding the Fourth Proportional to 30,158.33, 45,186.20 and 19,612.23

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Solution

The fourth proportional to 30,158.33, 45,186.20 and 19,612.23 is: 29,384.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,158.33 : 45,186.20 = 19,612.23 : x
  2. Step 2: Convert to fraction form
    30,158.33/45,186.20 = 19,612.23/x
  3. Step 3: Cross multiply
    30,158.33x = 45,186.20 × 19,612.23
  4. Step 4: Simplify right side
    30,158.33x = 886,202,063.58
  5. Step 5: Solve for x
    x = 886,202,063.58/30,158.33
  6. Step 6: Final answer
    x = 29,384.99

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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.