Home / 48,456.09-66,880.31-29,603.97

Finding the Fourth Proportional to 48,456.09, 66,880.31 and 29,603.97

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Solution

The fourth proportional to 48,456.09, 66,880.31 and 29,603.97 is: 40,860.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,456.09 : 66,880.31 = 29,603.97 : x
  2. Step 2: Convert to fraction form
    48,456.09/66,880.31 = 29,603.97/x
  3. Step 3: Cross multiply
    48,456.09x = 66,880.31 × 29,603.97
  4. Step 4: Simplify right side
    48,456.09x = 1,979,922,542.81
  5. Step 5: Solve for x
    x = 1,979,922,542.81/48,456.09
  6. Step 6: Final answer
    x = 40,860.14

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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.