Home / 51,199.60-70,655.77-28,540.03

Finding the Fourth Proportional to 51,199.60, 70,655.77 and 28,540.03

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Solution

The fourth proportional to 51,199.60, 70,655.77 and 28,540.03 is: 39,385.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,199.60 : 70,655.77 = 28,540.03 : x
  2. Step 2: Convert to fraction form
    51,199.60/70,655.77 = 28,540.03/x
  3. Step 3: Cross multiply
    51,199.60x = 70,655.77 × 28,540.03
  4. Step 4: Simplify right side
    51,199.60x = 2,016,517,652.77
  5. Step 5: Solve for x
    x = 2,016,517,652.77/51,199.60
  6. Step 6: Final answer
    x = 39,385.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.