Home / 73,533.12-110,284.56-20,928.48

Finding the Fourth Proportional to 73,533.12, 110,284.56 and 20,928.48

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Solution

The fourth proportional to 73,533.12, 110,284.56 and 20,928.48 is: 31,388.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,533.12 : 110,284.56 = 20,928.48 : x
  2. Step 2: Convert to fraction form
    73,533.12/110,284.56 = 20,928.48/x
  3. Step 3: Cross multiply
    73,533.12x = 110,284.56 × 20,928.48
  4. Step 4: Simplify right side
    73,533.12x = 2,308,088,208.27
  5. Step 5: Solve for x
    x = 2,308,088,208.27/73,533.12
  6. Step 6: Final answer
    x = 31,388.42

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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.