Home / 69,637.36-104,442.68-19,705.40

Finding the Fourth Proportional to 69,637.36, 104,442.68 and 19,705.40

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Solution

The fourth proportional to 69,637.36, 104,442.68 and 19,705.40 is: 29,554.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,637.36 : 104,442.68 = 19,705.40 : x
  2. Step 2: Convert to fraction form
    69,637.36/104,442.68 = 19,705.40/x
  3. Step 3: Cross multiply
    69,637.36x = 104,442.68 × 19,705.40
  4. Step 4: Simplify right side
    69,637.36x = 2,058,084,786.47
  5. Step 5: Solve for x
    x = 2,058,084,786.47/69,637.36
  6. Step 6: Final answer
    x = 29,554.32

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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.