Home / 51,702.40-77,553.78-20,537.56

Finding the Fourth Proportional to 51,702.40, 77,553.78 and 20,537.56

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Solution

The fourth proportional to 51,702.40, 77,553.78 and 20,537.56 is: 30,806.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,702.40 : 77,553.78 = 20,537.56 : x
  2. Step 2: Convert to fraction form
    51,702.40/77,553.78 = 20,537.56/x
  3. Step 3: Cross multiply
    51,702.40x = 77,553.78 × 20,537.56
  4. Step 4: Simplify right side
    51,702.40x = 1,592,765,409.98
  5. Step 5: Solve for x
    x = 1,592,765,409.98/51,702.40
  6. Step 6: Final answer
    x = 30,806.41

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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.