Home / 53,209.32-79,813.44-15,769.68

Finding the Fourth Proportional to 53,209.32, 79,813.44 and 15,769.68

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Solution

The fourth proportional to 53,209.32, 79,813.44 and 15,769.68 is: 23,654.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,209.32 : 79,813.44 = 15,769.68 : x
  2. Step 2: Convert to fraction form
    53,209.32/79,813.44 = 15,769.68/x
  3. Step 3: Cross multiply
    53,209.32x = 79,813.44 × 15,769.68
  4. Step 4: Simplify right side
    53,209.32x = 1,258,632,408.50
  5. Step 5: Solve for x
    x = 1,258,632,408.50/53,209.32
  6. Step 6: Final answer
    x = 23,654.36

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Similar ratio
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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.