Home / 52,146.82-78,219.30-12,703.84

Finding the Fourth Proportional to 52,146.82, 78,219.30 and 12,703.84

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Solution

The fourth proportional to 52,146.82, 78,219.30 and 12,703.84 is: 19,055.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,146.82 : 78,219.30 = 12,703.84 : x
  2. Step 2: Convert to fraction form
    52,146.82/78,219.30 = 12,703.84/x
  3. Step 3: Cross multiply
    52,146.82x = 78,219.30 × 12,703.84
  4. Step 4: Simplify right side
    52,146.82x = 993,685,472.11
  5. Step 5: Solve for x
    x = 993,685,472.11/52,146.82
  6. Step 6: Final answer
    x = 19,055.53

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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.