Home / 45,475.11-68,212.89-15,872.18

Finding the Fourth Proportional to 45,475.11, 68,212.89 and 15,872.18

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Solution

The fourth proportional to 45,475.11, 68,212.89 and 15,872.18 is: 23,808.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,475.11 : 68,212.89 = 15,872.18 : x
  2. Step 2: Convert to fraction form
    45,475.11/68,212.89 = 15,872.18/x
  3. Step 3: Cross multiply
    45,475.11x = 68,212.89 × 15,872.18
  4. Step 4: Simplify right side
    45,475.11x = 1,082,686,927.34
  5. Step 5: Solve for x
    x = 1,082,686,927.34/45,475.11
  6. Step 6: Final answer
    x = 23,808.34

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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.