Home / 38,664-57,986.88-21,804.26

Finding the Fourth Proportional to 38,664, 57,986.88 and 21,804.26

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Solution

The fourth proportional to 38,664, 57,986.88 and 21,804.26 is: 32,701.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,664 : 57,986.88 = 21,804.26 : x
  2. Step 2: Convert to fraction form
    38,664/57,986.88 = 21,804.26/x
  3. Step 3: Cross multiply
    38,664x = 57,986.88 × 21,804.26
  4. Step 4: Simplify right side
    38,664x = 1,264,360,718.17
  5. Step 5: Solve for x
    x = 1,264,360,718.17/38,664
  6. Step 6: Final answer
    x = 32,701.24

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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.