Home / 79,212.09-118,818.14-26,621.58

Finding the Fourth Proportional to 79,212.09, 118,818.14 and 26,621.58

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Solution

The fourth proportional to 79,212.09, 118,818.14 and 26,621.58 is: 39,932.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,212.09 : 118,818.14 = 26,621.58 : x
  2. Step 2: Convert to fraction form
    79,212.09/118,818.14 = 26,621.58/x
  3. Step 3: Cross multiply
    79,212.09x = 118,818.14 × 26,621.58
  4. Step 4: Simplify right side
    79,212.09x = 3,163,126,413.32
  5. Step 5: Solve for x
    x = 3,163,126,413.32/79,212.09
  6. Step 6: Final answer
    x = 39,932.37

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1.5x scale

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.