Home / 38,820.40-58,131.60-25,632.52

Finding the Fourth Proportional to 38,820.40, 58,131.60 and 25,632.52

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Solution

The fourth proportional to 38,820.40, 58,131.60 and 25,632.52 is: 38,383.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,820.40 : 58,131.60 = 25,632.52 : x
  2. Step 2: Convert to fraction form
    38,820.40/58,131.60 = 25,632.52/x
  3. Step 3: Cross multiply
    38,820.40x = 58,131.60 × 25,632.52
  4. Step 4: Simplify right side
    38,820.40x = 1,490,059,399.63
  5. Step 5: Solve for x
    x = 1,490,059,399.63/38,820.40
  6. Step 6: Final answer
    x = 38,383.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.