Home / 33,223.51-45,830.50-20,479.47

Finding the Fourth Proportional to 33,223.51, 45,830.50 and 20,479.47

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Solution

The fourth proportional to 33,223.51, 45,830.50 and 20,479.47 is: 28,250.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,223.51 : 45,830.50 = 20,479.47 : x
  2. Step 2: Convert to fraction form
    33,223.51/45,830.50 = 20,479.47/x
  3. Step 3: Cross multiply
    33,223.51x = 45,830.50 × 20,479.47
  4. Step 4: Simplify right side
    33,223.51x = 938,584,349.84
  5. Step 5: Solve for x
    x = 938,584,349.84/33,223.51
  6. Step 6: Final answer
    x = 28,250.61

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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.