Home / 45,433.15-68,160.65-19,145.41

Finding the Fourth Proportional to 45,433.15, 68,160.65 and 19,145.41

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Solution

The fourth proportional to 45,433.15, 68,160.65 and 19,145.41 is: 28,722.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,433.15 : 68,160.65 = 19,145.41 : x
  2. Step 2: Convert to fraction form
    45,433.15/68,160.65 = 19,145.41/x
  3. Step 3: Cross multiply
    45,433.15x = 68,160.65 × 19,145.41
  4. Step 4: Simplify right side
    45,433.15x = 1,304,963,590.12
  5. Step 5: Solve for x
    x = 1,304,963,590.12/45,433.15
  6. Step 6: Final answer
    x = 28,722.72

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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.