Home / 47,748.86-71,487.96-39,678.83

Finding the Fourth Proportional to 47,748.86, 71,487.96 and 39,678.83

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Solution

The fourth proportional to 47,748.86, 71,487.96 and 39,678.83 is: 59,405.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,748.86 : 71,487.96 = 39,678.83 : x
  2. Step 2: Convert to fraction form
    47,748.86/71,487.96 = 39,678.83/x
  3. Step 3: Cross multiply
    47,748.86x = 71,487.96 × 39,678.83
  4. Step 4: Simplify right side
    47,748.86x = 2,836,558,254.45
  5. Step 5: Solve for x
    x = 2,836,558,254.45/47,748.86
  6. Step 6: Final answer
    x = 59,405.79

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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.