Home / 51,834.46-77,702.42-20,264.78

Finding the Fourth Proportional to 51,834.46, 77,702.42 and 20,264.78

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Solution

The fourth proportional to 51,834.46, 77,702.42 and 20,264.78 is: 30,377.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,834.46 : 77,702.42 = 20,264.78 : x
  2. Step 2: Convert to fraction form
    51,834.46/77,702.42 = 20,264.78/x
  3. Step 3: Cross multiply
    51,834.46x = 77,702.42 × 20,264.78
  4. Step 4: Simplify right side
    51,834.46x = 1,574,622,446.77
  5. Step 5: Solve for x
    x = 1,574,622,446.77/51,834.46
  6. Step 6: Final answer
    x = 30,377.91

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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.