Home / 30,328.43-41,860.67-19,585.28

Finding the Fourth Proportional to 30,328.43, 41,860.67 and 19,585.28

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Solution

The fourth proportional to 30,328.43, 41,860.67 and 19,585.28 is: 27,032.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,328.43 : 41,860.67 = 19,585.28 : x
  2. Step 2: Convert to fraction form
    30,328.43/41,860.67 = 19,585.28/x
  3. Step 3: Cross multiply
    30,328.43x = 41,860.67 × 19,585.28
  4. Step 4: Simplify right side
    30,328.43x = 819,852,942.94
  5. Step 5: Solve for x
    x = 819,852,942.94/30,328.43
  6. Step 6: Final answer
    x = 27,032.49

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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.