Home / 51,070.90-76,553.52-19,472.46

Finding the Fourth Proportional to 51,070.90, 76,553.52 and 19,472.46

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Solution

The fourth proportional to 51,070.90, 76,553.52 and 19,472.46 is: 29,188.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,070.90 : 76,553.52 = 19,472.46 : x
  2. Step 2: Convert to fraction form
    51,070.90/76,553.52 = 19,472.46/x
  3. Step 3: Cross multiply
    51,070.90x = 76,553.52 × 19,472.46
  4. Step 4: Simplify right side
    51,070.90x = 1,490,685,258.70
  5. Step 5: Solve for x
    x = 1,490,685,258.70/51,070.90
  6. Step 6: Final answer
    x = 29,188.54

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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.