Home / 46,221-69,324.51-12,936.75

Finding the Fourth Proportional to 46,221, 69,324.51 and 12,936.75

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Solution

The fourth proportional to 46,221, 69,324.51 and 12,936.75 is: 19,403.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,221 : 69,324.51 = 12,936.75 : x
  2. Step 2: Convert to fraction form
    46,221/69,324.51 = 12,936.75/x
  3. Step 3: Cross multiply
    46,221x = 69,324.51 × 12,936.75
  4. Step 4: Simplify right side
    46,221x = 896,833,854.74
  5. Step 5: Solve for x
    x = 896,833,854.74/46,221
  6. Step 6: Final answer
    x = 19,403.17

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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.