Home / 34,243.20-51,406.40-21,763.20

Finding the Fourth Proportional to 34,243.20, 51,406.40 and 21,763.20

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Solution

The fourth proportional to 34,243.20, 51,406.40 and 21,763.20 is: 32,671.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,243.20 : 51,406.40 = 21,763.20 : x
  2. Step 2: Convert to fraction form
    34,243.20/51,406.40 = 21,763.20/x
  3. Step 3: Cross multiply
    34,243.20x = 51,406.40 × 21,763.20
  4. Step 4: Simplify right side
    34,243.20x = 1,118,767,764.48
  5. Step 5: Solve for x
    x = 1,118,767,764.48/34,243.20
  6. Step 6: Final answer
    x = 32,671.24

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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.