Home / 40,905.87-56,436.54-33,339.21

Finding the Fourth Proportional to 40,905.87, 56,436.54 and 33,339.21

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Solution

The fourth proportional to 40,905.87, 56,436.54 and 33,339.21 is: 45,997.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,905.87 : 56,436.54 = 33,339.21 : x
  2. Step 2: Convert to fraction form
    40,905.87/56,436.54 = 33,339.21/x
  3. Step 3: Cross multiply
    40,905.87x = 56,436.54 × 33,339.21
  4. Step 4: Simplify right side
    40,905.87x = 1,881,549,658.73
  5. Step 5: Solve for x
    x = 1,881,549,658.73/40,905.87
  6. Step 6: Final answer
    x = 45,997.06

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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.