Home / 30,485.06-42,083.76-22,934.26

Finding the Fourth Proportional to 30,485.06, 42,083.76 and 22,934.26

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Solution

The fourth proportional to 30,485.06, 42,083.76 and 22,934.26 is: 31,660.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,485.06 : 42,083.76 = 22,934.26 : x
  2. Step 2: Convert to fraction form
    30,485.06/42,083.76 = 22,934.26/x
  3. Step 3: Cross multiply
    30,485.06x = 42,083.76 × 22,934.26
  4. Step 4: Simplify right side
    30,485.06x = 965,159,568.53
  5. Step 5: Solve for x
    x = 965,159,568.53/30,485.06
  6. Step 6: Final answer
    x = 31,660.09

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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.