Home / 30,147.54-41,600.88-16,718.76

Finding the Fourth Proportional to 30,147.54, 41,600.88 and 16,718.76

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Solution

The fourth proportional to 30,147.54, 41,600.88 and 16,718.76 is: 23,070.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,147.54 : 41,600.88 = 16,718.76 : x
  2. Step 2: Convert to fraction form
    30,147.54/41,600.88 = 16,718.76/x
  3. Step 3: Cross multiply
    30,147.54x = 41,600.88 × 16,718.76
  4. Step 4: Simplify right side
    30,147.54x = 695,515,128.51
  5. Step 5: Solve for x
    x = 695,515,128.51/30,147.54
  6. Step 6: Final answer
    x = 23,070.38

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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.