Home / 30,476.68-45,680.32-19,083.93

Finding the Fourth Proportional to 30,476.68, 45,680.32 and 19,083.93

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Solution

The fourth proportional to 30,476.68, 45,680.32 and 19,083.93 is: 28,604.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,476.68 : 45,680.32 = 19,083.93 : x
  2. Step 2: Convert to fraction form
    30,476.68/45,680.32 = 19,083.93/x
  3. Step 3: Cross multiply
    30,476.68x = 45,680.32 × 19,083.93
  4. Step 4: Simplify right side
    30,476.68x = 871,760,029.26
  5. Step 5: Solve for x
    x = 871,760,029.26/30,476.68
  6. Step 6: Final answer
    x = 28,604.17

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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.