Home / 51,818.10-77,708.10-18,529.14

Finding the Fourth Proportional to 51,818.10, 77,708.10 and 18,529.14

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Solution

The fourth proportional to 51,818.10, 77,708.10 and 18,529.14 is: 27,786.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,818.10 : 77,708.10 = 18,529.14 : x
  2. Step 2: Convert to fraction form
    51,818.10/77,708.10 = 18,529.14/x
  3. Step 3: Cross multiply
    51,818.10x = 77,708.10 × 18,529.14
  4. Step 4: Simplify right side
    51,818.10x = 1,439,864,264.03
  5. Step 5: Solve for x
    x = 1,439,864,264.03/51,818.10
  6. Step 6: Final answer
    x = 27,786.90

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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.