Home / 33,869.79-46,745.64-20,442.96

Finding the Fourth Proportional to 33,869.79, 46,745.64 and 20,442.96

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Solution

The fourth proportional to 33,869.79, 46,745.64 and 20,442.96 is: 28,214.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,869.79 : 46,745.64 = 20,442.96 : x
  2. Step 2: Convert to fraction form
    33,869.79/46,745.64 = 20,442.96/x
  3. Step 3: Cross multiply
    33,869.79x = 46,745.64 × 20,442.96
  4. Step 4: Simplify right side
    33,869.79x = 955,619,248.69
  5. Step 5: Solve for x
    x = 955,619,248.69/33,869.79
  6. Step 6: Final answer
    x = 28,214.50

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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.