Home / 51,533.14-71,129.73-30,319.24

Finding the Fourth Proportional to 51,533.14, 71,129.73 and 30,319.24

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Solution

The fourth proportional to 51,533.14, 71,129.73 and 30,319.24 is: 41,848.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,533.14 : 71,129.73 = 30,319.24 : x
  2. Step 2: Convert to fraction form
    51,533.14/71,129.73 = 30,319.24/x
  3. Step 3: Cross multiply
    51,533.14x = 71,129.73 × 30,319.24
  4. Step 4: Simplify right side
    51,533.14x = 2,156,599,355.01
  5. Step 5: Solve for x
    x = 2,156,599,355.01/51,533.14
  6. Step 6: Final answer
    x = 41,848.79

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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.