Home / 53,952.72-80,928.96-18,902.40

Finding the Fourth Proportional to 53,952.72, 80,928.96 and 18,902.40

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Solution

The fourth proportional to 53,952.72, 80,928.96 and 18,902.40 is: 28,353.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,952.72 : 80,928.96 = 18,902.40 : x
  2. Step 2: Convert to fraction form
    53,952.72/80,928.96 = 18,902.40/x
  3. Step 3: Cross multiply
    53,952.72x = 80,928.96 × 18,902.40
  4. Step 4: Simplify right side
    53,952.72x = 1,529,751,573.50
  5. Step 5: Solve for x
    x = 1,529,751,573.50/53,952.72
  6. Step 6: Final answer
    x = 28,353.56

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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.