Home / 57,216.21-85,848-30,889.99

Finding the Fourth Proportional to 57,216.21, 85,848 and 30,889.99

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Solution

The fourth proportional to 57,216.21, 85,848 and 30,889.99 is: 46,347.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,216.21 : 85,848 = 30,889.99 : x
  2. Step 2: Convert to fraction form
    57,216.21/85,848 = 30,889.99/x
  3. Step 3: Cross multiply
    57,216.21x = 85,848 × 30,889.99
  4. Step 4: Simplify right side
    57,216.21x = 2,651,843,861.52
  5. Step 5: Solve for x
    x = 2,651,843,861.52/57,216.21
  6. Step 6: Final answer
    x = 46,347.77

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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.