Home / 79,841.45-119,771.42-26,538.18

Finding the Fourth Proportional to 79,841.45, 119,771.42 and 26,538.18

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Solution

The fourth proportional to 79,841.45, 119,771.42 and 26,538.18 is: 39,810.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,841.45 : 119,771.42 = 26,538.18 : x
  2. Step 2: Convert to fraction form
    79,841.45/119,771.42 = 26,538.18/x
  3. Step 3: Cross multiply
    79,841.45x = 119,771.42 × 26,538.18
  4. Step 4: Simplify right side
    79,841.45x = 3,178,515,370.12
  5. Step 5: Solve for x
    x = 3,178,515,370.12/79,841.45
  6. Step 6: Final answer
    x = 39,810.34

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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.