Home / 46,720.82-64,490.37-28,807.94

Finding the Fourth Proportional to 46,720.82, 64,490.37 and 28,807.94

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Solution

The fourth proportional to 46,720.82, 64,490.37 and 28,807.94 is: 39,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,720.82 : 64,490.37 = 28,807.94 : x
  2. Step 2: Convert to fraction form
    46,720.82/64,490.37 = 28,807.94/x
  3. Step 3: Cross multiply
    46,720.82x = 64,490.37 × 28,807.94
  4. Step 4: Simplify right side
    46,720.82x = 1,857,834,709.54
  5. Step 5: Solve for x
    x = 1,857,834,709.54/46,720.82
  6. Step 6: Final answer
    x = 39,764.60

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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.