Home / 57,437.37-86,110.16-28,958.99

Finding the Fourth Proportional to 57,437.37, 86,110.16 and 28,958.99

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Solution

The fourth proportional to 57,437.37, 86,110.16 and 28,958.99 is: 43,415.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,437.37 : 86,110.16 = 28,958.99 : x
  2. Step 2: Convert to fraction form
    57,437.37/86,110.16 = 28,958.99/x
  3. Step 3: Cross multiply
    57,437.37x = 86,110.16 × 28,958.99
  4. Step 4: Simplify right side
    57,437.37x = 2,493,662,686.99
  5. Step 5: Solve for x
    x = 2,493,662,686.99/57,437.37
  6. Step 6: Final answer
    x = 43,415.34

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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.