Home / 51,427.56-70,960.44-30,199.08

Finding the Fourth Proportional to 51,427.56, 70,960.44 and 30,199.08

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Solution

The fourth proportional to 51,427.56, 70,960.44 and 30,199.08 is: 41,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,427.56 : 70,960.44 = 30,199.08 : x
  2. Step 2: Convert to fraction form
    51,427.56/70,960.44 = 30,199.08/x
  3. Step 3: Cross multiply
    51,427.56x = 70,960.44 × 30,199.08
  4. Step 4: Simplify right side
    51,427.56x = 2,142,940,004.40
  5. Step 5: Solve for x
    x = 2,142,940,004.40/51,427.56
  6. Step 6: Final answer
    x = 41,669.10

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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.