Home / 57,405.21-86,092.20-36,313.59

Finding the Fourth Proportional to 57,405.21, 86,092.20 and 36,313.59

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Solution

The fourth proportional to 57,405.21, 86,092.20 and 36,313.59 is: 54,460.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,405.21 : 86,092.20 = 36,313.59 : x
  2. Step 2: Convert to fraction form
    57,405.21/86,092.20 = 36,313.59/x
  3. Step 3: Cross multiply
    57,405.21x = 86,092.20 × 36,313.59
  4. Step 4: Simplify right side
    57,405.21x = 3,126,316,853.00
  5. Step 5: Solve for x
    x = 3,126,316,853.00/57,405.21
  6. Step 6: Final answer
    x = 54,460.51

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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.