Home / 40,829.60-61,207.48-28,355.49

Finding the Fourth Proportional to 40,829.60, 61,207.48 and 28,355.49

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Solution

The fourth proportional to 40,829.60, 61,207.48 and 28,355.49 is: 42,507.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,829.60 : 61,207.48 = 28,355.49 : x
  2. Step 2: Convert to fraction form
    40,829.60/61,207.48 = 28,355.49/x
  3. Step 3: Cross multiply
    40,829.60x = 61,207.48 × 28,355.49
  4. Step 4: Simplify right side
    40,829.60x = 1,735,568,087.07
  5. Step 5: Solve for x
    x = 1,735,568,087.07/40,829.60
  6. Step 6: Final answer
    x = 42,507.59

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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.