Home / 40,813.12-56,318.32-22,905.44

Finding the Fourth Proportional to 40,813.12, 56,318.32 and 22,905.44

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Solution

The fourth proportional to 40,813.12, 56,318.32 and 22,905.44 is: 31,607.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,813.12 : 56,318.32 = 22,905.44 : x
  2. Step 2: Convert to fraction form
    40,813.12/56,318.32 = 22,905.44/x
  3. Step 3: Cross multiply
    40,813.12x = 56,318.32 × 22,905.44
  4. Step 4: Simplify right side
    40,813.12x = 1,289,995,899.66
  5. Step 5: Solve for x
    x = 1,289,995,899.66/40,813.12
  6. Step 6: Final answer
    x = 31,607.38

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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.