Home / 35,554.38-53,313.93-20,767.02

Finding the Fourth Proportional to 35,554.38, 53,313.93 and 20,767.02

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Solution

The fourth proportional to 35,554.38, 53,313.93 and 20,767.02 is: 31,140.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,554.38 : 53,313.93 = 20,767.02 : x
  2. Step 2: Convert to fraction form
    35,554.38/53,313.93 = 20,767.02/x
  3. Step 3: Cross multiply
    35,554.38x = 53,313.93 × 20,767.02
  4. Step 4: Simplify right side
    35,554.38x = 1,107,171,450.59
  5. Step 5: Solve for x
    x = 1,107,171,450.59/35,554.38
  6. Step 6: Final answer
    x = 31,140.23

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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.