Home / 57,208.60-85,829.10-17,769.70

Finding the Fourth Proportional to 57,208.60, 85,829.10 and 17,769.70

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Solution

The fourth proportional to 57,208.60, 85,829.10 and 17,769.70 is: 26,659.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,208.60 : 85,829.10 = 17,769.70 : x
  2. Step 2: Convert to fraction form
    57,208.60/85,829.10 = 17,769.70/x
  3. Step 3: Cross multiply
    57,208.60x = 85,829.10 × 17,769.70
  4. Step 4: Simplify right side
    57,208.60x = 1,525,157,358.27
  5. Step 5: Solve for x
    x = 1,525,157,358.27/57,208.60
  6. Step 6: Final answer
    x = 26,659.58

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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.