Home / 66,435.29-91,669.43-38,140.37

Finding the Fourth Proportional to 66,435.29, 91,669.43 and 38,140.37

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Solution

The fourth proportional to 66,435.29, 91,669.43 and 38,140.37 is: 52,627.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,435.29 : 91,669.43 = 38,140.37 : x
  2. Step 2: Convert to fraction form
    66,435.29/91,669.43 = 38,140.37/x
  3. Step 3: Cross multiply
    66,435.29x = 91,669.43 × 38,140.37
  4. Step 4: Simplify right side
    66,435.29x = 3,496,305,787.19
  5. Step 5: Solve for x
    x = 3,496,305,787.19/66,435.29
  6. Step 6: Final answer
    x = 52,627.24

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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.