Home / 53,321.44-79,955.30-17,770.16

Finding the Fourth Proportional to 53,321.44, 79,955.30 and 17,770.16

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Solution

The fourth proportional to 53,321.44, 79,955.30 and 17,770.16 is: 26,646.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,321.44 : 79,955.30 = 17,770.16 : x
  2. Step 2: Convert to fraction form
    53,321.44/79,955.30 = 17,770.16/x
  3. Step 3: Cross multiply
    53,321.44x = 79,955.30 × 17,770.16
  4. Step 4: Simplify right side
    53,321.44x = 1,420,818,473.85
  5. Step 5: Solve for x
    x = 1,420,818,473.85/53,321.44
  6. Step 6: Final answer
    x = 26,646.29

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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.