Home / 30,260.81-41,759.31-16,831.77

Finding the Fourth Proportional to 30,260.81, 41,759.31 and 16,831.77

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Solution

The fourth proportional to 30,260.81, 41,759.31 and 16,831.77 is: 23,227.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,260.81 : 41,759.31 = 16,831.77 : x
  2. Step 2: Convert to fraction form
    30,260.81/41,759.31 = 16,831.77/x
  3. Step 3: Cross multiply
    30,260.81x = 41,759.31 × 16,831.77
  4. Step 4: Simplify right side
    30,260.81x = 702,883,101.28
  5. Step 5: Solve for x
    x = 702,883,101.28/30,260.81
  6. Step 6: Final answer
    x = 23,227.50

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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.