Home / 51,431.56-70,965.96-30,203.08

Finding the Fourth Proportional to 51,431.56, 70,965.96 and 30,203.08

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Solution

The fourth proportional to 51,431.56, 70,965.96 and 30,203.08 is: 41,674.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,431.56 : 70,965.96 = 30,203.08 : x
  2. Step 2: Convert to fraction form
    51,431.56/70,965.96 = 30,203.08/x
  3. Step 3: Cross multiply
    51,431.56x = 70,965.96 × 30,203.08
  4. Step 4: Simplify right side
    51,431.56x = 2,143,390,567.16
  5. Step 5: Solve for x
    x = 2,143,390,567.16/51,431.56
  6. Step 6: Final answer
    x = 41,674.62

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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.