Home / 40,830.69-61,188.93-22,120.92

Finding the Fourth Proportional to 40,830.69, 61,188.93 and 22,120.92

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Solution

The fourth proportional to 40,830.69, 61,188.93 and 22,120.92 is: 33,150.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,830.69 : 61,188.93 = 22,120.92 : x
  2. Step 2: Convert to fraction form
    40,830.69/61,188.93 = 22,120.92/x
  3. Step 3: Cross multiply
    40,830.69x = 61,188.93 × 22,120.92
  4. Step 4: Simplify right side
    40,830.69x = 1,353,555,425.42
  5. Step 5: Solve for x
    x = 1,353,555,425.42/40,830.69
  6. Step 6: Final answer
    x = 33,150.44

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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.