Home / 57,415.07-86,131.52-29,319.93

Finding the Fourth Proportional to 57,415.07, 86,131.52 and 29,319.93

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Solution

The fourth proportional to 57,415.07, 86,131.52 and 29,319.93 is: 43,984.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,415.07 : 86,131.52 = 29,319.93 : x
  2. Step 2: Convert to fraction form
    57,415.07/86,131.52 = 29,319.93/x
  3. Step 3: Cross multiply
    57,415.07x = 86,131.52 × 29,319.93
  4. Step 4: Simplify right side
    57,415.07x = 2,525,369,990.59
  5. Step 5: Solve for x
    x = 2,525,369,990.59/57,415.07
  6. Step 6: Final answer
    x = 43,984.45

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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.