Home / 33,421.12-50,133.22-13,685.84

Finding the Fourth Proportional to 33,421.12, 50,133.22 and 13,685.84

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Solution

The fourth proportional to 33,421.12, 50,133.22 and 13,685.84 is: 20,529.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,421.12 : 50,133.22 = 13,685.84 : x
  2. Step 2: Convert to fraction form
    33,421.12/50,133.22 = 13,685.84/x
  3. Step 3: Cross multiply
    33,421.12x = 50,133.22 × 13,685.84
  4. Step 4: Simplify right side
    33,421.12x = 686,114,970.48
  5. Step 5: Solve for x
    x = 686,114,970.48/33,421.12
  6. Step 6: Final answer
    x = 20,529.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.