Home / 55,769.60-83,654.40-39,148.40

Finding the Fourth Proportional to 55,769.60, 83,654.40 and 39,148.40

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Solution

The fourth proportional to 55,769.60, 83,654.40 and 39,148.40 is: 58,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,769.60 : 83,654.40 = 39,148.40 : x
  2. Step 2: Convert to fraction form
    55,769.60/83,654.40 = 39,148.40/x
  3. Step 3: Cross multiply
    55,769.60x = 83,654.40 × 39,148.40
  4. Step 4: Simplify right side
    55,769.60x = 3,274,935,912.96
  5. Step 5: Solve for x
    x = 3,274,935,912.96/55,769.60
  6. Step 6: Final answer
    x = 58,722.60

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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.