Home / 38,905.98-58,362.64-30,150.70

Finding the Fourth Proportional to 38,905.98, 58,362.64 and 30,150.70

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Solution

The fourth proportional to 38,905.98, 58,362.64 and 30,150.70 is: 45,228.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,905.98 : 58,362.64 = 30,150.70 : x
  2. Step 2: Convert to fraction form
    38,905.98/58,362.64 = 30,150.70/x
  3. Step 3: Cross multiply
    38,905.98x = 58,362.64 × 30,150.70
  4. Step 4: Simplify right side
    38,905.98x = 1,759,674,449.85
  5. Step 5: Solve for x
    x = 1,759,674,449.85/38,905.98
  6. Step 6: Final answer
    x = 45,228.89

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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.