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Finding the Fourth Proportional to 35,495.96, 48,984.90 and 19,580.36

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Solution

The fourth proportional to 35,495.96, 48,984.90 and 19,580.36 is: 27,021.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,495.96 : 48,984.90 = 19,580.36 : x
  2. Step 2: Convert to fraction form
    35,495.96/48,984.90 = 19,580.36/x
  3. Step 3: Cross multiply
    35,495.96x = 48,984.90 × 19,580.36
  4. Step 4: Simplify right side
    35,495.96x = 959,141,976.56
  5. Step 5: Solve for x
    x = 959,141,976.56/35,495.96
  6. Step 6: Final answer
    x = 27,021.16

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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.