Home / 30,906.03-42,648.60-17,476.53

Finding the Fourth Proportional to 30,906.03, 42,648.60 and 17,476.53

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Solution

The fourth proportional to 30,906.03, 42,648.60 and 17,476.53 is: 24,116.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,906.03 : 42,648.60 = 17,476.53 : x
  2. Step 2: Convert to fraction form
    30,906.03/42,648.60 = 17,476.53/x
  3. Step 3: Cross multiply
    30,906.03x = 42,648.60 × 17,476.53
  4. Step 4: Simplify right side
    30,906.03x = 745,349,537.36
  5. Step 5: Solve for x
    x = 745,349,537.36/30,906.03
  6. Step 6: Final answer
    x = 24,116.64

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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.