Home / 30,557.96-42,166.26-17,126.34

Finding the Fourth Proportional to 30,557.96, 42,166.26 and 17,126.34

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Solution

The fourth proportional to 30,557.96, 42,166.26 and 17,126.34 is: 23,632.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,557.96 : 42,166.26 = 17,126.34 : x
  2. Step 2: Convert to fraction form
    30,557.96/42,166.26 = 17,126.34/x
  3. Step 3: Cross multiply
    30,557.96x = 42,166.26 × 17,126.34
  4. Step 4: Simplify right side
    30,557.96x = 722,153,705.29
  5. Step 5: Solve for x
    x = 722,153,705.29/30,557.96
  6. Step 6: Final answer
    x = 23,632.27

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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.