Home / 43,382.19-65,072.07-13,801.80

Finding the Fourth Proportional to 43,382.19, 65,072.07 and 13,801.80

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Solution

The fourth proportional to 43,382.19, 65,072.07 and 13,801.80 is: 20,702.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,382.19 : 65,072.07 = 13,801.80 : x
  2. Step 2: Convert to fraction form
    43,382.19/65,072.07 = 13,801.80/x
  3. Step 3: Cross multiply
    43,382.19x = 65,072.07 × 13,801.80
  4. Step 4: Simplify right side
    43,382.19x = 898,111,695.73
  5. Step 5: Solve for x
    x = 898,111,695.73/43,382.19
  6. Step 6: Final answer
    x = 20,702.31

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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.