Home / 55,365.44-76,408.41-31,499.80

Finding the Fourth Proportional to 55,365.44, 76,408.41 and 31,499.80

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Solution

The fourth proportional to 55,365.44, 76,408.41 and 31,499.80 is: 43,472.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,365.44 : 76,408.41 = 31,499.80 : x
  2. Step 2: Convert to fraction form
    55,365.44/76,408.41 = 31,499.80/x
  3. Step 3: Cross multiply
    55,365.44x = 76,408.41 × 31,499.80
  4. Step 4: Simplify right side
    55,365.44x = 2,406,849,633.32
  5. Step 5: Solve for x
    x = 2,406,849,633.32/55,365.44
  6. Step 6: Final answer
    x = 43,472.06

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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.