Home / 30,371.14-41,888.49-19,764.19

Finding the Fourth Proportional to 30,371.14, 41,888.49 and 19,764.19

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Solution

The fourth proportional to 30,371.14, 41,888.49 and 19,764.19 is: 27,259.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,371.14 : 41,888.49 = 19,764.19 : x
  2. Step 2: Convert to fraction form
    30,371.14/41,888.49 = 19,764.19/x
  3. Step 3: Cross multiply
    30,371.14x = 41,888.49 × 19,764.19
  4. Step 4: Simplify right side
    30,371.14x = 827,892,075.17
  5. Step 5: Solve for x
    x = 827,892,075.17/30,371.14
  6. Step 6: Final answer
    x = 27,259.17

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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.