Home / 40,134.31-60,210.59-21,404.48

Finding the Fourth Proportional to 40,134.31, 60,210.59 and 21,404.48

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Solution

The fourth proportional to 40,134.31, 60,210.59 and 21,404.48 is: 32,111.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,134.31 : 60,210.59 = 21,404.48 : x
  2. Step 2: Convert to fraction form
    40,134.31/60,210.59 = 21,404.48/x
  3. Step 3: Cross multiply
    40,134.31x = 60,210.59 × 21,404.48
  4. Step 4: Simplify right side
    40,134.31x = 1,288,775,961.37
  5. Step 5: Solve for x
    x = 1,288,775,961.37/40,134.31
  6. Step 6: Final answer
    x = 32,111.58

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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.