Home / 40,490.67-55,878.20-22,589.16

Finding the Fourth Proportional to 40,490.67, 55,878.20 and 22,589.16

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Solution

The fourth proportional to 40,490.67, 55,878.20 and 22,589.16 is: 31,173.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,490.67 : 55,878.20 = 22,589.16 : x
  2. Step 2: Convert to fraction form
    40,490.67/55,878.20 = 22,589.16/x
  3. Step 3: Cross multiply
    40,490.67x = 55,878.20 × 22,589.16
  4. Step 4: Simplify right side
    40,490.67x = 1,262,241,487.37
  5. Step 5: Solve for x
    x = 1,262,241,487.37/40,490.67
  6. Step 6: Final answer
    x = 31,173.64

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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.