Home / 45,811.15-63,220.10-27,906.91

Finding the Fourth Proportional to 45,811.15, 63,220.10 and 27,906.91

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Solution

The fourth proportional to 45,811.15, 63,220.10 and 27,906.91 is: 38,511.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,811.15 : 63,220.10 = 27,906.91 : x
  2. Step 2: Convert to fraction form
    45,811.15/63,220.10 = 27,906.91/x
  3. Step 3: Cross multiply
    45,811.15x = 63,220.10 × 27,906.91
  4. Step 4: Simplify right side
    45,811.15x = 1,764,277,501.36
  5. Step 5: Solve for x
    x = 1,764,277,501.36/45,811.15
  6. Step 6: Final answer
    x = 38,511.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.