Home / 33,686.04-50,507.46-13,978.20

Finding the Fourth Proportional to 33,686.04, 50,507.46 and 13,978.20

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Solution

The fourth proportional to 33,686.04, 50,507.46 and 13,978.20 is: 20,958.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,686.04 : 50,507.46 = 13,978.20 : x
  2. Step 2: Convert to fraction form
    33,686.04/50,507.46 = 13,978.20/x
  3. Step 3: Cross multiply
    33,686.04x = 50,507.46 × 13,978.20
  4. Step 4: Simplify right side
    33,686.04x = 706,003,377.37
  5. Step 5: Solve for x
    x = 706,003,377.37/33,686.04
  6. Step 6: Final answer
    x = 20,958.34

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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.