Home / 40,430.70-55,789.25-22,524.39

Finding the Fourth Proportional to 40,430.70, 55,789.25 and 22,524.39

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Solution

The fourth proportional to 40,430.70, 55,789.25 and 22,524.39 is: 31,080.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,430.70 : 55,789.25 = 22,524.39 : x
  2. Step 2: Convert to fraction form
    40,430.70/55,789.25 = 22,524.39/x
  3. Step 3: Cross multiply
    40,430.70x = 55,789.25 × 22,524.39
  4. Step 4: Simplify right side
    40,430.70x = 1,256,618,712.19
  5. Step 5: Solve for x
    x = 1,256,618,712.19/40,430.70
  6. Step 6: Final answer
    x = 31,080.81

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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.