Home / 43,127.87-64,687.53-13,544.91

Finding the Fourth Proportional to 43,127.87, 64,687.53 and 13,544.91

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Solution

The fourth proportional to 43,127.87, 64,687.53 and 13,544.91 is: 20,316.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,127.87 : 64,687.53 = 13,544.91 : x
  2. Step 2: Convert to fraction form
    43,127.87/64,687.53 = 13,544.91/x
  3. Step 3: Cross multiply
    43,127.87x = 64,687.53 × 13,544.91
  4. Step 4: Simplify right side
    43,127.87x = 876,186,771.97
  5. Step 5: Solve for x
    x = 876,186,771.97/43,127.87
  6. Step 6: Final answer
    x = 20,316.02

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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.