Home / 30,415.77-41,975.42-17,840.52

Finding the Fourth Proportional to 30,415.77, 41,975.42 and 17,840.52

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Solution

The fourth proportional to 30,415.77, 41,975.42 and 17,840.52 is: 24,620.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,415.77 : 41,975.42 = 17,840.52 : x
  2. Step 2: Convert to fraction form
    30,415.77/41,975.42 = 17,840.52/x
  3. Step 3: Cross multiply
    30,415.77x = 41,975.42 × 17,840.52
  4. Step 4: Simplify right side
    30,415.77x = 748,863,230.82
  5. Step 5: Solve for x
    x = 748,863,230.82/30,415.77
  6. Step 6: Final answer
    x = 24,620.89

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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.