Home / 30,401.52-41,969.37-19,087.44

Finding the Fourth Proportional to 30,401.52, 41,969.37 and 19,087.44

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Solution

The fourth proportional to 30,401.52, 41,969.37 and 19,087.44 is: 26,350.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,401.52 : 41,969.37 = 19,087.44 : x
  2. Step 2: Convert to fraction form
    30,401.52/41,969.37 = 19,087.44/x
  3. Step 3: Cross multiply
    30,401.52x = 41,969.37 × 19,087.44
  4. Step 4: Simplify right side
    30,401.52x = 801,087,831.71
  5. Step 5: Solve for x
    x = 801,087,831.71/30,401.52
  6. Step 6: Final answer
    x = 26,350.26

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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.