Home / 53,216.08-79,817.64-13,769.92

Finding the Fourth Proportional to 53,216.08, 79,817.64 and 13,769.92

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Solution

The fourth proportional to 53,216.08, 79,817.64 and 13,769.92 is: 20,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,216.08 : 79,817.64 = 13,769.92 : x
  2. Step 2: Convert to fraction form
    53,216.08/79,817.64 = 13,769.92/x
  3. Step 3: Cross multiply
    53,216.08x = 79,817.64 × 13,769.92
  4. Step 4: Simplify right side
    53,216.08x = 1,099,082,517.39
  5. Step 5: Solve for x
    x = 1,099,082,517.39/53,216.08
  6. Step 6: Final answer
    x = 20,653.20

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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.