Home / 39,082.80-53,958.72-30,113.28

Finding the Fourth Proportional to 39,082.80, 53,958.72 and 30,113.28

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Solution

The fourth proportional to 39,082.80, 53,958.72 and 30,113.28 is: 41,575.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,082.80 : 53,958.72 = 30,113.28 : x
  2. Step 2: Convert to fraction form
    39,082.80/53,958.72 = 30,113.28/x
  3. Step 3: Cross multiply
    39,082.80x = 53,958.72 × 30,113.28
  4. Step 4: Simplify right side
    39,082.80x = 1,624,874,043.80
  5. Step 5: Solve for x
    x = 1,624,874,043.80/39,082.80
  6. Step 6: Final answer
    x = 41,575.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.