Home / 30,588.36-45,969.20-18,110.68

Finding the Fourth Proportional to 30,588.36, 45,969.20 and 18,110.68

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Solution

The fourth proportional to 30,588.36, 45,969.20 and 18,110.68 is: 27,217.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,588.36 : 45,969.20 = 18,110.68 : x
  2. Step 2: Convert to fraction form
    30,588.36/45,969.20 = 18,110.68/x
  3. Step 3: Cross multiply
    30,588.36x = 45,969.20 × 18,110.68
  4. Step 4: Simplify right side
    30,588.36x = 832,533,471.06
  5. Step 5: Solve for x
    x = 832,533,471.06/30,588.36
  6. Step 6: Final answer
    x = 27,217.33

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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.