Home / 45,319.86-67,914.14-25,556.40

Finding the Fourth Proportional to 45,319.86, 67,914.14 and 25,556.40

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Solution

The fourth proportional to 45,319.86, 67,914.14 and 25,556.40 is: 38,297.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,319.86 : 67,914.14 = 25,556.40 : x
  2. Step 2: Convert to fraction form
    45,319.86/67,914.14 = 25,556.40/x
  3. Step 3: Cross multiply
    45,319.86x = 67,914.14 × 25,556.40
  4. Step 4: Simplify right side
    45,319.86x = 1,735,640,799.71
  5. Step 5: Solve for x
    x = 1,735,640,799.71/45,319.86
  6. Step 6: Final answer
    x = 38,297.58

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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.