Home / 47,905.96-66,057.06-39,265.96

Finding the Fourth Proportional to 47,905.96, 66,057.06 and 39,265.96

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Solution

The fourth proportional to 47,905.96, 66,057.06 and 39,265.96 is: 54,143.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,905.96 : 66,057.06 = 39,265.96 : x
  2. Step 2: Convert to fraction form
    47,905.96/66,057.06 = 39,265.96/x
  3. Step 3: Cross multiply
    47,905.96x = 66,057.06 × 39,265.96
  4. Step 4: Simplify right side
    47,905.96x = 2,593,793,875.68
  5. Step 5: Solve for x
    x = 2,593,793,875.68/47,905.96
  6. Step 6: Final answer
    x = 54,143.45

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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.