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Finding the Fourth Proportional to 33,803.76, 50,933.84 and 28,009.59

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Solution

The fourth proportional to 33,803.76, 50,933.84 and 28,009.59 is: 42,203.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,803.76 : 50,933.84 = 28,009.59 : x
  2. Step 2: Convert to fraction form
    33,803.76/50,933.84 = 28,009.59/x
  3. Step 3: Cross multiply
    33,803.76x = 50,933.84 × 28,009.59
  4. Step 4: Simplify right side
    33,803.76x = 1,426,636,045.55
  5. Step 5: Solve for x
    x = 1,426,636,045.55/33,803.76
  6. Step 6: Final answer
    x = 42,203.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.