Home / 53,533.44-80,319.60-18,476.64

Finding the Fourth Proportional to 53,533.44, 80,319.60 and 18,476.64

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Solution

The fourth proportional to 53,533.44, 80,319.60 and 18,476.64 is: 27,721.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,533.44 : 80,319.60 = 18,476.64 : x
  2. Step 2: Convert to fraction form
    53,533.44/80,319.60 = 18,476.64/x
  3. Step 3: Cross multiply
    53,533.44x = 80,319.60 × 18,476.64
  4. Step 4: Simplify right side
    53,533.44x = 1,484,036,334.14
  5. Step 5: Solve for x
    x = 1,484,036,334.14/53,533.44
  6. Step 6: Final answer
    x = 27,721.67

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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.