Home / 56,228.96-77,596.72-30,735.84

Finding the Fourth Proportional to 56,228.96, 77,596.72 and 30,735.84

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Solution

The fourth proportional to 56,228.96, 77,596.72 and 30,735.84 is: 42,415.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,228.96 : 77,596.72 = 30,735.84 : x
  2. Step 2: Convert to fraction form
    56,228.96/77,596.72 = 30,735.84/x
  3. Step 3: Cross multiply
    56,228.96x = 77,596.72 × 30,735.84
  4. Step 4: Simplify right side
    56,228.96x = 2,385,000,370.44
  5. Step 5: Solve for x
    x = 2,385,000,370.44/56,228.96
  6. Step 6: Final answer
    x = 42,415.87

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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.