Home / 30,556.53-42,167.66-17,127.77

Finding the Fourth Proportional to 30,556.53, 42,167.66 and 17,127.77

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Solution

The fourth proportional to 30,556.53, 42,167.66 and 17,127.77 is: 23,636.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,556.53 : 42,167.66 = 17,127.77 : x
  2. Step 2: Convert to fraction form
    30,556.53/42,167.66 = 17,127.77/x
  3. Step 3: Cross multiply
    30,556.53x = 42,167.66 × 17,127.77
  4. Step 4: Simplify right side
    30,556.53x = 722,237,685.44
  5. Step 5: Solve for x
    x = 722,237,685.44/30,556.53
  6. Step 6: Final answer
    x = 23,636.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.