Home / 51,294.82-76,952.21-19,702.56

Finding the Fourth Proportional to 51,294.82, 76,952.21 and 19,702.56

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Solution

The fourth proportional to 51,294.82, 76,952.21 and 19,702.56 is: 29,557.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,294.82 : 76,952.21 = 19,702.56 : x
  2. Step 2: Convert to fraction form
    51,294.82/76,952.21 = 19,702.56/x
  3. Step 3: Cross multiply
    51,294.82x = 76,952.21 × 19,702.56
  4. Step 4: Simplify right side
    51,294.82x = 1,516,155,534.66
  5. Step 5: Solve for x
    x = 1,516,155,534.66/51,294.82
  6. Step 6: Final answer
    x = 29,557.67

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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.