Home / 30,401.05-45,601.54-16,900.83

Finding the Fourth Proportional to 30,401.05, 45,601.54 and 16,900.83

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Solution

The fourth proportional to 30,401.05, 45,601.54 and 16,900.83 is: 25,351.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,401.05 : 45,601.54 = 16,900.83 : x
  2. Step 2: Convert to fraction form
    30,401.05/45,601.54 = 16,900.83/x
  3. Step 3: Cross multiply
    30,401.05x = 45,601.54 × 16,900.83
  4. Step 4: Simplify right side
    30,401.05x = 770,703,875.28
  5. Step 5: Solve for x
    x = 770,703,875.28/30,401.05
  6. Step 6: Final answer
    x = 25,351.23

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Half scale
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Double scale
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Similar ratio
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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.