Home / 53,147.25-79,730.67-21,984.93

Finding the Fourth Proportional to 53,147.25, 79,730.67 and 21,984.93

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Solution

The fourth proportional to 53,147.25, 79,730.67 and 21,984.93 is: 32,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,147.25 : 79,730.67 = 21,984.93 : x
  2. Step 2: Convert to fraction form
    53,147.25/79,730.67 = 21,984.93/x
  3. Step 3: Cross multiply
    53,147.25x = 79,730.67 × 21,984.93
  4. Step 4: Simplify right side
    53,147.25x = 1,752,873,198.80
  5. Step 5: Solve for x
    x = 1,752,873,198.80/53,147.25
  6. Step 6: Final answer
    x = 32,981.45

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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.