Home / 48,129.39-72,241.47-30,611.52

Finding the Fourth Proportional to 48,129.39, 72,241.47 and 30,611.52

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Solution

The fourth proportional to 48,129.39, 72,241.47 and 30,611.52 is: 45,947.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,129.39 : 72,241.47 = 30,611.52 : x
  2. Step 2: Convert to fraction form
    48,129.39/72,241.47 = 30,611.52/x
  3. Step 3: Cross multiply
    48,129.39x = 72,241.47 × 30,611.52
  4. Step 4: Simplify right side
    48,129.39x = 2,211,421,203.73
  5. Step 5: Solve for x
    x = 2,211,421,203.73/48,129.39
  6. Step 6: Final answer
    x = 45,947.42

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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.