Home / 65,790.36-98,698.50-19,043.64

Finding the Fourth Proportional to 65,790.36, 98,698.50 and 19,043.64

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Solution

The fourth proportional to 65,790.36, 98,698.50 and 19,043.64 is: 28,569.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,790.36 : 98,698.50 = 19,043.64 : x
  2. Step 2: Convert to fraction form
    65,790.36/98,698.50 = 19,043.64/x
  3. Step 3: Cross multiply
    65,790.36x = 98,698.50 × 19,043.64
  4. Step 4: Simplify right side
    65,790.36x = 1,879,578,702.54
  5. Step 5: Solve for x
    x = 1,879,578,702.54/65,790.36
  6. Step 6: Final answer
    x = 28,569.21

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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.