Home / 43,472.69-65,185.03-13,478.62

Finding the Fourth Proportional to 43,472.69, 65,185.03 and 13,478.62

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Solution

The fourth proportional to 43,472.69, 65,185.03 and 13,478.62 is: 20,210.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,472.69 : 65,185.03 = 13,478.62 : x
  2. Step 2: Convert to fraction form
    43,472.69/65,185.03 = 13,478.62/x
  3. Step 3: Cross multiply
    43,472.69x = 65,185.03 × 13,478.62
  4. Step 4: Simplify right side
    43,472.69x = 878,604,249.06
  5. Step 5: Solve for x
    x = 878,604,249.06/43,472.69
  6. Step 6: Final answer
    x = 20,210.49

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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.