Home / 43,205.60-64,781.76-15,110.48

Finding the Fourth Proportional to 43,205.60, 64,781.76 and 15,110.48

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Solution

The fourth proportional to 43,205.60, 64,781.76 and 15,110.48 is: 22,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,205.60 : 64,781.76 = 15,110.48 : x
  2. Step 2: Convert to fraction form
    43,205.60/64,781.76 = 15,110.48/x
  3. Step 3: Cross multiply
    43,205.60x = 64,781.76 × 15,110.48
  4. Step 4: Simplify right side
    43,205.60x = 978,883,488.84
  5. Step 5: Solve for x
    x = 978,883,488.84/43,205.60
  6. Step 6: Final answer
    x = 22,656.40

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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.