Home / 46,845.81-64,647.41-28,936.71

Finding the Fourth Proportional to 46,845.81, 64,647.41 and 28,936.71

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Solution

The fourth proportional to 46,845.81, 64,647.41 and 28,936.71 is: 39,932.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,845.81 : 64,647.41 = 28,936.71 : x
  2. Step 2: Convert to fraction form
    46,845.81/64,647.41 = 28,936.71/x
  3. Step 3: Cross multiply
    46,845.81x = 64,647.41 × 28,936.71
  4. Step 4: Simplify right side
    46,845.81x = 1,870,683,210.74
  5. Step 5: Solve for x
    x = 1,870,683,210.74/46,845.81
  6. Step 6: Final answer
    x = 39,932.78

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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.