Home / 36,018.25-49,705.99-19,885.51

Finding the Fourth Proportional to 36,018.25, 49,705.99 and 19,885.51

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Solution

The fourth proportional to 36,018.25, 49,705.99 and 19,885.51 is: 27,442.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,018.25 : 49,705.99 = 19,885.51 : x
  2. Step 2: Convert to fraction form
    36,018.25/49,705.99 = 19,885.51/x
  3. Step 3: Cross multiply
    36,018.25x = 49,705.99 × 19,885.51
  4. Step 4: Simplify right side
    36,018.25x = 988,428,986.04
  5. Step 5: Solve for x
    x = 988,428,986.04/36,018.25
  6. Step 6: Final answer
    x = 27,442.45

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1.5x scale

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.