Home / 52,126.05-78,189.14-12,682.89

Finding the Fourth Proportional to 52,126.05, 78,189.14 and 12,682.89

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Solution

The fourth proportional to 52,126.05, 78,189.14 and 12,682.89 is: 19,024.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,126.05 : 78,189.14 = 12,682.89 : x
  2. Step 2: Convert to fraction form
    52,126.05/78,189.14 = 12,682.89/x
  3. Step 3: Cross multiply
    52,126.05x = 78,189.14 × 12,682.89
  4. Step 4: Simplify right side
    52,126.05x = 991,664,198.40
  5. Step 5: Solve for x
    x = 991,664,198.40/52,126.05
  6. Step 6: Final answer
    x = 19,024.35

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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.