Home / 35,812.82-53,719.23-13,621.07

Finding the Fourth Proportional to 35,812.82, 53,719.23 and 13,621.07

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Solution

The fourth proportional to 35,812.82, 53,719.23 and 13,621.07 is: 20,431.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,812.82 : 53,719.23 = 13,621.07 : x
  2. Step 2: Convert to fraction form
    35,812.82/53,719.23 = 13,621.07/x
  3. Step 3: Cross multiply
    35,812.82x = 53,719.23 × 13,621.07
  4. Step 4: Simplify right side
    35,812.82x = 731,713,392.18
  5. Step 5: Solve for x
    x = 731,713,392.18/35,812.82
  6. Step 6: Final answer
    x = 20,431.61

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Similar ratio
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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.