Home / 53,676.54-80,482.91-20,399.05

Finding the Fourth Proportional to 53,676.54, 80,482.91 and 20,399.05

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Solution

The fourth proportional to 53,676.54, 80,482.91 and 20,399.05 is: 30,586.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,676.54 : 80,482.91 = 20,399.05 : x
  2. Step 2: Convert to fraction form
    53,676.54/80,482.91 = 20,399.05/x
  3. Step 3: Cross multiply
    53,676.54x = 80,482.91 × 20,399.05
  4. Step 4: Simplify right side
    53,676.54x = 1,641,774,905.24
  5. Step 5: Solve for x
    x = 1,641,774,905.24/53,676.54
  6. Step 6: Final answer
    x = 30,586.45

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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.