Home / 30,055.21-41,479.29-17,308.81

Finding the Fourth Proportional to 30,055.21, 41,479.29 and 17,308.81

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Solution

The fourth proportional to 30,055.21, 41,479.29 and 17,308.81 is: 23,887.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,055.21 : 41,479.29 = 17,308.81 : x
  2. Step 2: Convert to fraction form
    30,055.21/41,479.29 = 17,308.81/x
  3. Step 3: Cross multiply
    30,055.21x = 41,479.29 × 17,308.81
  4. Step 4: Simplify right side
    30,055.21x = 717,957,149.54
  5. Step 5: Solve for x
    x = 717,957,149.54/30,055.21
  6. Step 6: Final answer
    x = 23,887.94

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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.