Home / 46,938.17-70,418.19-20,644.97

Finding the Fourth Proportional to 46,938.17, 70,418.19 and 20,644.97

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Solution

The fourth proportional to 46,938.17, 70,418.19 and 20,644.97 is: 30,972.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,938.17 : 70,418.19 = 20,644.97 : x
  2. Step 2: Convert to fraction form
    46,938.17/70,418.19 = 20,644.97/x
  3. Step 3: Cross multiply
    46,938.17x = 70,418.19 × 20,644.97
  4. Step 4: Simplify right side
    46,938.17x = 1,453,781,067.91
  5. Step 5: Solve for x
    x = 1,453,781,067.91/46,938.17
  6. Step 6: Final answer
    x = 30,972.26

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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.