Home / 30,537.26-42,140.55-17,109.32

Finding the Fourth Proportional to 30,537.26, 42,140.55 and 17,109.32

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Solution

The fourth proportional to 30,537.26, 42,140.55 and 17,109.32 is: 23,610.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,537.26 : 42,140.55 = 17,109.32 : x
  2. Step 2: Convert to fraction form
    30,537.26/42,140.55 = 17,109.32/x
  3. Step 3: Cross multiply
    30,537.26x = 42,140.55 × 17,109.32
  4. Step 4: Simplify right side
    30,537.26x = 720,995,944.22
  5. Step 5: Solve for x
    x = 720,995,944.22/30,537.26
  6. Step 6: Final answer
    x = 23,610.37

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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.