Home / 30,199.45-45,300.12-14,406.19

Finding the Fourth Proportional to 30,199.45, 45,300.12 and 14,406.19

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Solution

The fourth proportional to 30,199.45, 45,300.12 and 14,406.19 is: 21,609.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,199.45 : 45,300.12 = 14,406.19 : x
  2. Step 2: Convert to fraction form
    30,199.45/45,300.12 = 14,406.19/x
  3. Step 3: Cross multiply
    30,199.45x = 45,300.12 × 14,406.19
  4. Step 4: Simplify right side
    30,199.45x = 652,602,063.71
  5. Step 5: Solve for x
    x = 652,602,063.71/30,199.45
  6. Step 6: Final answer
    x = 21,609.73

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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.