Home / 52,145.84-78,217.22-12,702.38

Finding the Fourth Proportional to 52,145.84, 78,217.22 and 12,702.38

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Solution

The fourth proportional to 52,145.84, 78,217.22 and 12,702.38 is: 19,053.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,145.84 : 78,217.22 = 12,702.38 : x
  2. Step 2: Convert to fraction form
    52,145.84/78,217.22 = 12,702.38/x
  3. Step 3: Cross multiply
    52,145.84x = 78,217.22 × 12,702.38
  4. Step 4: Simplify right side
    52,145.84x = 993,544,850.98
  5. Step 5: Solve for x
    x = 993,544,850.98/52,145.84
  6. Step 6: Final answer
    x = 19,053.19

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1.5x scale

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.