Home / 57,849.21-86,751.91-31,539.63

Finding the Fourth Proportional to 57,849.21, 86,751.91 and 31,539.63

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Solution

The fourth proportional to 57,849.21, 86,751.91 and 31,539.63 is: 47,297.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,849.21 : 86,751.91 = 31,539.63 : x
  2. Step 2: Convert to fraction form
    57,849.21/86,751.91 = 31,539.63/x
  3. Step 3: Cross multiply
    57,849.21x = 86,751.91 × 31,539.63
  4. Step 4: Simplify right side
    57,849.21x = 2,736,123,143.19
  5. Step 5: Solve for x
    x = 2,736,123,143.19/57,849.21
  6. Step 6: Final answer
    x = 47,297.50

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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.