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Finding the Fourth Proportional to 61,241.48, 84,512.62 and 34,383.38

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Solution

The fourth proportional to 61,241.48, 84,512.62 and 34,383.38 is: 47,448.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,241.48 : 84,512.62 = 34,383.38 : x
  2. Step 2: Convert to fraction form
    61,241.48/84,512.62 = 34,383.38/x
  3. Step 3: Cross multiply
    61,241.48x = 84,512.62 × 34,383.38
  4. Step 4: Simplify right side
    61,241.48x = 2,905,829,528.26
  5. Step 5: Solve for x
    x = 2,905,829,528.26/61,241.48
  6. Step 6: Final answer
    x = 47,448.71

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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.