Home / 57,241.18-78,993.48-31,748.05

Finding the Fourth Proportional to 57,241.18, 78,993.48 and 31,748.05

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Solution

The fourth proportional to 57,241.18, 78,993.48 and 31,748.05 is: 43,812.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,241.18 : 78,993.48 = 31,748.05 : x
  2. Step 2: Convert to fraction form
    57,241.18/78,993.48 = 31,748.05/x
  3. Step 3: Cross multiply
    57,241.18x = 78,993.48 × 31,748.05
  4. Step 4: Simplify right side
    57,241.18x = 2,507,888,952.71
  5. Step 5: Solve for x
    x = 2,507,888,952.71/57,241.18
  6. Step 6: Final answer
    x = 43,812.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.