Home / 40,543.81-55,950.44-22,638.80

Finding the Fourth Proportional to 40,543.81, 55,950.44 and 22,638.80

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Solution

The fourth proportional to 40,543.81, 55,950.44 and 22,638.80 is: 31,241.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,543.81 : 55,950.44 = 22,638.80 : x
  2. Step 2: Convert to fraction form
    40,543.81/55,950.44 = 22,638.80/x
  3. Step 3: Cross multiply
    40,543.81x = 55,950.44 × 22,638.80
  4. Step 4: Simplify right side
    40,543.81x = 1,266,650,847.75
  5. Step 5: Solve for x
    x = 1,266,650,847.75/40,543.81
  6. Step 6: Final answer
    x = 31,241.54

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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.