Home / 30,054.53-41,467.79-19,431.38

Finding the Fourth Proportional to 30,054.53, 41,467.79 and 19,431.38

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Solution

The fourth proportional to 30,054.53, 41,467.79 and 19,431.38 is: 26,810.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,054.53 : 41,467.79 = 19,431.38 : x
  2. Step 2: Convert to fraction form
    30,054.53/41,467.79 = 19,431.38/x
  3. Step 3: Cross multiply
    30,054.53x = 41,467.79 × 19,431.38
  4. Step 4: Simplify right side
    30,054.53x = 805,776,080.75
  5. Step 5: Solve for x
    x = 805,776,080.75/30,054.53
  6. Step 6: Final answer
    x = 26,810.47

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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.