Home / 45,462.47-68,218.81-19,166.63

Finding the Fourth Proportional to 45,462.47, 68,218.81 and 19,166.63

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Solution

The fourth proportional to 45,462.47, 68,218.81 and 19,166.63 is: 28,760.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,462.47 : 68,218.81 = 19,166.63 : x
  2. Step 2: Convert to fraction form
    45,462.47/68,218.81 = 19,166.63/x
  3. Step 3: Cross multiply
    45,462.47x = 68,218.81 × 19,166.63
  4. Step 4: Simplify right side
    45,462.47x = 1,307,524,301.30
  5. Step 5: Solve for x
    x = 1,307,524,301.30/45,462.47
  6. Step 6: Final answer
    x = 28,760.52

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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.