Home / 61,276.60-91,895.45-19,713.88

Finding the Fourth Proportional to 61,276.60, 91,895.45 and 19,713.88

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Solution

The fourth proportional to 61,276.60, 91,895.45 and 19,713.88 is: 29,564.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,276.60 : 91,895.45 = 19,713.88 : x
  2. Step 2: Convert to fraction form
    61,276.60/91,895.45 = 19,713.88/x
  3. Step 3: Cross multiply
    61,276.60x = 91,895.45 × 19,713.88
  4. Step 4: Simplify right side
    61,276.60x = 1,811,615,414.37
  5. Step 5: Solve for x
    x = 1,811,615,414.37/61,276.60
  6. Step 6: Final answer
    x = 29,564.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.