Home / 30,881.22-42,593.58-19,552.56

Finding the Fourth Proportional to 30,881.22, 42,593.58 and 19,552.56

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Solution

The fourth proportional to 30,881.22, 42,593.58 and 19,552.56 is: 26,968.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,881.22 : 42,593.58 = 19,552.56 : x
  2. Step 2: Convert to fraction form
    30,881.22/42,593.58 = 19,552.56/x
  3. Step 3: Cross multiply
    30,881.22x = 42,593.58 × 19,552.56
  4. Step 4: Simplify right side
    30,881.22x = 832,813,528.56
  5. Step 5: Solve for x
    x = 832,813,528.56/30,881.22
  6. Step 6: Final answer
    x = 26,968.28

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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.