Home / 40,632.56-56,073.84-28,716.92

Finding the Fourth Proportional to 40,632.56, 56,073.84 and 28,716.92

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Solution

The fourth proportional to 40,632.56, 56,073.84 and 28,716.92 is: 39,629.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,632.56 : 56,073.84 = 28,716.92 : x
  2. Step 2: Convert to fraction form
    40,632.56/56,073.84 = 28,716.92/x
  3. Step 3: Cross multiply
    40,632.56x = 56,073.84 × 28,716.92
  4. Step 4: Simplify right side
    40,632.56x = 1,610,267,977.37
  5. Step 5: Solve for x
    x = 1,610,267,977.37/40,632.56
  6. Step 6: Final answer
    x = 39,629.99

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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.