Home / 43,356.33-65,031.06-13,774.41

Finding the Fourth Proportional to 43,356.33, 65,031.06 and 13,774.41

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Solution

The fourth proportional to 43,356.33, 65,031.06 and 13,774.41 is: 20,660.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,356.33 : 65,031.06 = 13,774.41 : x
  2. Step 2: Convert to fraction form
    43,356.33/65,031.06 = 13,774.41/x
  3. Step 3: Cross multiply
    43,356.33x = 65,031.06 × 13,774.41
  4. Step 4: Simplify right side
    43,356.33x = 895,764,483.17
  5. Step 5: Solve for x
    x = 895,764,483.17/43,356.33
  6. Step 6: Final answer
    x = 20,660.52

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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.