Home / 45,494.76-68,221.26-19,185.06

Finding the Fourth Proportional to 45,494.76, 68,221.26 and 19,185.06

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Solution

The fourth proportional to 45,494.76, 68,221.26 and 19,185.06 is: 28,768.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,494.76 : 68,221.26 = 19,185.06 : x
  2. Step 2: Convert to fraction form
    45,494.76/68,221.26 = 19,185.06/x
  3. Step 3: Cross multiply
    45,494.76x = 68,221.26 × 19,185.06
  4. Step 4: Simplify right side
    45,494.76x = 1,308,828,966.38
  5. Step 5: Solve for x
    x = 1,308,828,966.38/45,494.76
  6. Step 6: Final answer
    x = 28,768.78

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1.5x scale

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.