Home / 51,215.44-70,705.20-35,385.12

Finding the Fourth Proportional to 51,215.44, 70,705.20 and 35,385.12

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Solution

The fourth proportional to 51,215.44, 70,705.20 and 35,385.12 is: 48,850.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,215.44 : 70,705.20 = 35,385.12 : x
  2. Step 2: Convert to fraction form
    51,215.44/70,705.20 = 35,385.12/x
  3. Step 3: Cross multiply
    51,215.44x = 70,705.20 × 35,385.12
  4. Step 4: Simplify right side
    51,215.44x = 2,501,911,986.62
  5. Step 5: Solve for x
    x = 2,501,911,986.62/51,215.44
  6. Step 6: Final answer
    x = 48,850.74

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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.