Home / 40,658.25-56,100.33-22,749.78

Finding the Fourth Proportional to 40,658.25, 56,100.33 and 22,749.78

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Solution

The fourth proportional to 40,658.25, 56,100.33 and 22,749.78 is: 31,390.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,658.25 : 56,100.33 = 22,749.78 : x
  2. Step 2: Convert to fraction form
    40,658.25/56,100.33 = 22,749.78/x
  3. Step 3: Cross multiply
    40,658.25x = 56,100.33 × 22,749.78
  4. Step 4: Simplify right side
    40,658.25x = 1,276,270,165.43
  5. Step 5: Solve for x
    x = 1,276,270,165.43/40,658.25
  6. Step 6: Final answer
    x = 31,390.19

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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.