Home / 79,210.91-118,816.36-26,620.39

Finding the Fourth Proportional to 79,210.91, 118,816.36 and 26,620.39

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Solution

The fourth proportional to 79,210.91, 118,816.36 and 26,620.39 is: 39,930.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,210.91 : 118,816.36 = 26,620.39 : x
  2. Step 2: Convert to fraction form
    79,210.91/118,816.36 = 26,620.39/x
  3. Step 3: Cross multiply
    79,210.91x = 118,816.36 × 26,620.39
  4. Step 4: Simplify right side
    79,210.91x = 3,162,937,841.58
  5. Step 5: Solve for x
    x = 3,162,937,841.58/79,210.91
  6. Step 6: Final answer
    x = 39,930.59

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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.