Home / 40,625.56-56,064.18-28,709.92

Finding the Fourth Proportional to 40,625.56, 56,064.18 and 28,709.92

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Solution

The fourth proportional to 40,625.56, 56,064.18 and 28,709.92 is: 39,620.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,625.56 : 56,064.18 = 28,709.92 : x
  2. Step 2: Convert to fraction form
    40,625.56/56,064.18 = 28,709.92/x
  3. Step 3: Cross multiply
    40,625.56x = 56,064.18 × 28,709.92
  4. Step 4: Simplify right side
    40,625.56x = 1,609,598,122.67
  5. Step 5: Solve for x
    x = 1,609,598,122.67/40,625.56
  6. Step 6: Final answer
    x = 39,620.33

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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.