Home / 45,352.40-68,017.26-19,076

Finding the Fourth Proportional to 45,352.40, 68,017.26 and 19,076

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Solution

The fourth proportional to 45,352.40, 68,017.26 and 19,076 is: 28,609.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,352.40 : 68,017.26 = 19,076 : x
  2. Step 2: Convert to fraction form
    45,352.40/68,017.26 = 19,076/x
  3. Step 3: Cross multiply
    45,352.40x = 68,017.26 × 19,076
  4. Step 4: Simplify right side
    45,352.40x = 1,297,497,251.76
  5. Step 5: Solve for x
    x = 1,297,497,251.76/45,352.40
  6. Step 6: Final answer
    x = 28,609.23

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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.