Home / 20,525.71-30,788.58-4,943.35

Finding the Fourth Proportional to 20,525.71, 30,788.58 and 4,943.35

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Solution

The fourth proportional to 20,525.71, 30,788.58 and 4,943.35 is: 7,415.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,525.71 : 30,788.58 = 4,943.35 : x
  2. Step 2: Convert to fraction form
    20,525.71/30,788.58 = 4,943.35/x
  3. Step 3: Cross multiply
    20,525.71x = 30,788.58 × 4,943.35
  4. Step 4: Simplify right side
    20,525.71x = 152,198,726.94
  5. Step 5: Solve for x
    x = 152,198,726.94/20,525.71
  6. Step 6: Final answer
    x = 7,415.03

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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.