Home / 40,975.40-61,481.46-19,903.88

Finding the Fourth Proportional to 40,975.40, 61,481.46 and 19,903.88

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Solution

The fourth proportional to 40,975.40, 61,481.46 and 19,903.88 is: 29,864.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,975.40 : 61,481.46 = 19,903.88 : x
  2. Step 2: Convert to fraction form
    40,975.40/61,481.46 = 19,903.88/x
  3. Step 3: Cross multiply
    40,975.40x = 61,481.46 × 19,903.88
  4. Step 4: Simplify right side
    40,975.40x = 1,223,719,602.06
  5. Step 5: Solve for x
    x = 1,223,719,602.06/40,975.40
  6. Step 6: Final answer
    x = 29,864.74

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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.