Home / 45,023.58-67,498.80-18,747.96

Finding the Fourth Proportional to 45,023.58, 67,498.80 and 18,747.96

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Solution

The fourth proportional to 45,023.58, 67,498.80 and 18,747.96 is: 28,106.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,023.58 : 67,498.80 = 18,747.96 : x
  2. Step 2: Convert to fraction form
    45,023.58/67,498.80 = 18,747.96/x
  3. Step 3: Cross multiply
    45,023.58x = 67,498.80 × 18,747.96
  4. Step 4: Simplify right side
    45,023.58x = 1,265,464,802.45
  5. Step 5: Solve for x
    x = 1,265,464,802.45/45,023.58
  6. Step 6: Final answer
    x = 28,106.71

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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.