Home / 47,231.04-65,170.26-28,368.48

Finding the Fourth Proportional to 47,231.04, 65,170.26 and 28,368.48

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Solution

The fourth proportional to 47,231.04, 65,170.26 and 28,368.48 is: 39,143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,231.04 : 65,170.26 = 28,368.48 : x
  2. Step 2: Convert to fraction form
    47,231.04/65,170.26 = 28,368.48/x
  3. Step 3: Cross multiply
    47,231.04x = 65,170.26 × 28,368.48
  4. Step 4: Simplify right side
    47,231.04x = 1,848,781,217.40
  5. Step 5: Solve for x
    x = 1,848,781,217.40/47,231.04
  6. Step 6: Final answer
    x = 39,143.35

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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.