Home / 53,415.53-80,129.43-23,829.65

Finding the Fourth Proportional to 53,415.53, 80,129.43 and 23,829.65

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Solution

The fourth proportional to 53,415.53, 80,129.43 and 23,829.65 is: 35,747.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,415.53 : 80,129.43 = 23,829.65 : x
  2. Step 2: Convert to fraction form
    53,415.53/80,129.43 = 23,829.65/x
  3. Step 3: Cross multiply
    53,415.53x = 80,129.43 × 23,829.65
  4. Step 4: Simplify right side
    53,415.53x = 1,909,455,870.95
  5. Step 5: Solve for x
    x = 1,909,455,870.95/53,415.53
  6. Step 6: Final answer
    x = 35,747.21

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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.