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Finding the Fourth Proportional to 61,157.97, 84,398.84 and 36,955.57

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Solution

The fourth proportional to 61,157.97, 84,398.84 and 36,955.57 is: 50,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,157.97 : 84,398.84 = 36,955.57 : x
  2. Step 2: Convert to fraction form
    61,157.97/84,398.84 = 36,955.57/x
  3. Step 3: Cross multiply
    61,157.97x = 84,398.84 × 36,955.57
  4. Step 4: Simplify right side
    61,157.97x = 3,119,007,239.54
  5. Step 5: Solve for x
    x = 3,119,007,239.54/61,157.97
  6. Step 6: Final answer
    x = 50,999.20

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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.