Home / 33,211.86-45,831.69-18,307.86

Finding the Fourth Proportional to 33,211.86, 45,831.69 and 18,307.86

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Solution

The fourth proportional to 33,211.86, 45,831.69 and 18,307.86 is: 25,264.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,211.86 : 45,831.69 = 18,307.86 : x
  2. Step 2: Convert to fraction form
    33,211.86/45,831.69 = 18,307.86/x
  3. Step 3: Cross multiply
    33,211.86x = 45,831.69 × 18,307.86
  4. Step 4: Simplify right side
    33,211.86x = 839,080,164.08
  5. Step 5: Solve for x
    x = 839,080,164.08/33,211.86
  6. Step 6: Final answer
    x = 25,264.47

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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.