Home / 30,606.90-42,237.54-17,179.44

Finding the Fourth Proportional to 30,606.90, 42,237.54 and 17,179.44

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Solution

The fourth proportional to 30,606.90, 42,237.54 and 17,179.44 is: 23,707.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,606.90 : 42,237.54 = 17,179.44 : x
  2. Step 2: Convert to fraction form
    30,606.90/42,237.54 = 17,179.44/x
  3. Step 3: Cross multiply
    30,606.90x = 42,237.54 × 17,179.44
  4. Step 4: Simplify right side
    30,606.90x = 725,617,284.18
  5. Step 5: Solve for x
    x = 725,617,284.18/30,606.90
  6. Step 6: Final answer
    x = 23,707.64

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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.