Home / 45,907.04-68,871.19-14,315.42

Finding the Fourth Proportional to 45,907.04, 68,871.19 and 14,315.42

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Solution

The fourth proportional to 45,907.04, 68,871.19 and 14,315.42 is: 21,476.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,907.04 : 68,871.19 = 14,315.42 : x
  2. Step 2: Convert to fraction form
    45,907.04/68,871.19 = 14,315.42/x
  3. Step 3: Cross multiply
    45,907.04x = 68,871.19 × 14,315.42
  4. Step 4: Simplify right side
    45,907.04x = 985,919,630.61
  5. Step 5: Solve for x
    x = 985,919,630.61/45,907.04
  6. Step 6: Final answer
    x = 21,476.44

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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.