Home / 30,448.51-41,991.71-19,119.06

Finding the Fourth Proportional to 30,448.51, 41,991.71 and 19,119.06

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Solution

The fourth proportional to 30,448.51, 41,991.71 and 19,119.06 is: 26,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,448.51 : 41,991.71 = 19,119.06 : x
  2. Step 2: Convert to fraction form
    30,448.51/41,991.71 = 19,119.06/x
  3. Step 3: Cross multiply
    30,448.51x = 41,991.71 × 19,119.06
  4. Step 4: Simplify right side
    30,448.51x = 802,841,927.40
  5. Step 5: Solve for x
    x = 802,841,927.40/30,448.51
  6. Step 6: Final answer
    x = 26,367.20

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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.