Home / 57,087.36-85,682.99-30,455.93

Finding the Fourth Proportional to 57,087.36, 85,682.99 and 30,455.93

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Solution

The fourth proportional to 57,087.36, 85,682.99 and 30,455.93 is: 45,711.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,087.36 : 85,682.99 = 30,455.93 : x
  2. Step 2: Convert to fraction form
    57,087.36/85,682.99 = 30,455.93/x
  3. Step 3: Cross multiply
    57,087.36x = 85,682.99 × 30,455.93
  4. Step 4: Simplify right side
    57,087.36x = 2,609,554,564.94
  5. Step 5: Solve for x
    x = 2,609,554,564.94/57,087.36
  6. Step 6: Final answer
    x = 45,711.60

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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.