Home / 33,824.64-46,678.08-18,718.40

Finding the Fourth Proportional to 33,824.64, 46,678.08 and 18,718.40

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Solution

The fourth proportional to 33,824.64, 46,678.08 and 18,718.40 is: 25,831.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,824.64 : 46,678.08 = 18,718.40 : x
  2. Step 2: Convert to fraction form
    33,824.64/46,678.08 = 18,718.40/x
  3. Step 3: Cross multiply
    33,824.64x = 46,678.08 × 18,718.40
  4. Step 4: Simplify right side
    33,824.64x = 873,738,972.67
  5. Step 5: Solve for x
    x = 873,738,972.67/33,824.64
  6. Step 6: Final answer
    x = 25,831.43

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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.