Home / 43,563.27-65,353.41-13,978.83

Finding the Fourth Proportional to 43,563.27, 65,353.41 and 13,978.83

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Solution

The fourth proportional to 43,563.27, 65,353.41 and 13,978.83 is: 20,970.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,563.27 : 65,353.41 = 13,978.83 : x
  2. Step 2: Convert to fraction form
    43,563.27/65,353.41 = 13,978.83/x
  3. Step 3: Cross multiply
    43,563.27x = 65,353.41 × 13,978.83
  4. Step 4: Simplify right side
    43,563.27x = 913,564,208.31
  5. Step 5: Solve for x
    x = 913,564,208.31/43,563.27
  6. Step 6: Final answer
    x = 20,970.97

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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.