Home / 47,459.84-71,215.14-30,815.96

Finding the Fourth Proportional to 47,459.84, 71,215.14 and 30,815.96

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Solution

The fourth proportional to 47,459.84, 71,215.14 and 30,815.96 is: 46,240.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,459.84 : 71,215.14 = 30,815.96 : x
  2. Step 2: Convert to fraction form
    47,459.84/71,215.14 = 30,815.96/x
  3. Step 3: Cross multiply
    47,459.84x = 71,215.14 × 30,815.96
  4. Step 4: Simplify right side
    47,459.84x = 2,194,562,905.63
  5. Step 5: Solve for x
    x = 2,194,562,905.63/47,459.84
  6. Step 6: Final answer
    x = 46,240.42

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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.