Home / 30,419.94-45,633.54-11,699.22

Finding the Fourth Proportional to 30,419.94, 45,633.54 and 11,699.22

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Solution

The fourth proportional to 30,419.94, 45,633.54 and 11,699.22 is: 17,550.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,419.94 : 45,633.54 = 11,699.22 : x
  2. Step 2: Convert to fraction form
    30,419.94/45,633.54 = 11,699.22/x
  3. Step 3: Cross multiply
    30,419.94x = 45,633.54 × 11,699.22
  4. Step 4: Simplify right side
    30,419.94x = 533,876,823.84
  5. Step 5: Solve for x
    x = 533,876,823.84/30,419.94
  6. Step 6: Final answer
    x = 17,550.23

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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.