Home / 35,464.52-53,212.40-18,820.46

Finding the Fourth Proportional to 35,464.52, 53,212.40 and 18,820.46

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Solution

The fourth proportional to 35,464.52, 53,212.40 and 18,820.46 is: 28,238.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,464.52 : 53,212.40 = 18,820.46 : x
  2. Step 2: Convert to fraction form
    35,464.52/53,212.40 = 18,820.46/x
  3. Step 3: Cross multiply
    35,464.52x = 53,212.40 × 18,820.46
  4. Step 4: Simplify right side
    35,464.52x = 1,001,481,845.70
  5. Step 5: Solve for x
    x = 1,001,481,845.70/35,464.52
  6. Step 6: Final answer
    x = 28,238.98

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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.