Home / 30,558.14-42,166.54-17,126.32

Finding the Fourth Proportional to 30,558.14, 42,166.54 and 17,126.32

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Solution

The fourth proportional to 30,558.14, 42,166.54 and 17,126.32 is: 23,632.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,558.14 : 42,166.54 = 17,126.32 : x
  2. Step 2: Convert to fraction form
    30,558.14/42,166.54 = 17,126.32/x
  3. Step 3: Cross multiply
    30,558.14x = 42,166.54 × 17,126.32
  4. Step 4: Simplify right side
    30,558.14x = 722,157,657.33
  5. Step 5: Solve for x
    x = 722,157,657.33/30,558.14
  6. Step 6: Final answer
    x = 23,632.25

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Double scale
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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.