Home / 51,223.98-76,833.20-19,649.18

Finding the Fourth Proportional to 51,223.98, 76,833.20 and 19,649.18

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Solution

The fourth proportional to 51,223.98, 76,833.20 and 19,649.18 is: 29,472.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,223.98 : 76,833.20 = 19,649.18 : x
  2. Step 2: Convert to fraction form
    51,223.98/76,833.20 = 19,649.18/x
  3. Step 3: Cross multiply
    51,223.98x = 76,833.20 × 19,649.18
  4. Step 4: Simplify right side
    51,223.98x = 1,509,708,894.36
  5. Step 5: Solve for x
    x = 1,509,708,894.36/51,223.98
  6. Step 6: Final answer
    x = 29,472.70

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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.