Home / 30,366.69-45,486.24-19,267.66

Finding the Fourth Proportional to 30,366.69, 45,486.24 and 19,267.66

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Solution

The fourth proportional to 30,366.69, 45,486.24 and 19,267.66 is: 28,861.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,366.69 : 45,486.24 = 19,267.66 : x
  2. Step 2: Convert to fraction form
    30,366.69/45,486.24 = 19,267.66/x
  3. Step 3: Cross multiply
    30,366.69x = 45,486.24 × 19,267.66
  4. Step 4: Simplify right side
    30,366.69x = 876,413,407.00
  5. Step 5: Solve for x
    x = 876,413,407.00/30,366.69
  6. Step 6: Final answer
    x = 28,861.01

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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.