Home / 43,465.47-65,198.16-13,885.58

Finding the Fourth Proportional to 43,465.47, 65,198.16 and 13,885.58

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Solution

The fourth proportional to 43,465.47, 65,198.16 and 13,885.58 is: 20,828.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,465.47 : 65,198.16 = 13,885.58 : x
  2. Step 2: Convert to fraction form
    43,465.47/65,198.16 = 13,885.58/x
  3. Step 3: Cross multiply
    43,465.47x = 65,198.16 × 13,885.58
  4. Step 4: Simplify right side
    43,465.47x = 905,313,940.54
  5. Step 5: Solve for x
    x = 905,313,940.54/43,465.47
  6. Step 6: Final answer
    x = 20,828.35

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1.5x scale

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.