Home / 45,371.07-68,062.07-19,072.40

Finding the Fourth Proportional to 45,371.07, 68,062.07 and 19,072.40

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Solution

The fourth proportional to 45,371.07, 68,062.07 and 19,072.40 is: 28,610.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,371.07 : 68,062.07 = 19,072.40 : x
  2. Step 2: Convert to fraction form
    45,371.07/68,062.07 = 19,072.40/x
  3. Step 3: Cross multiply
    45,371.07x = 68,062.07 × 19,072.40
  4. Step 4: Simplify right side
    45,371.07x = 1,298,106,731.24
  5. Step 5: Solve for x
    x = 1,298,106,731.24/45,371.07
  6. Step 6: Final answer
    x = 28,610.89

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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.