Home / 33,831.64-46,686.63-18,723.79

Finding the Fourth Proportional to 33,831.64, 46,686.63 and 18,723.79

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Solution

The fourth proportional to 33,831.64, 46,686.63 and 18,723.79 is: 25,838.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,831.64 : 46,686.63 = 18,723.79 : x
  2. Step 2: Convert to fraction form
    33,831.64/46,686.63 = 18,723.79/x
  3. Step 3: Cross multiply
    33,831.64x = 46,686.63 × 18,723.79
  4. Step 4: Simplify right side
    33,831.64x = 874,150,655.93
  5. Step 5: Solve for x
    x = 874,150,655.93/33,831.64
  6. Step 6: Final answer
    x = 25,838.26

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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.