Home / 39,283.12-54,209.64-22,286.08

Finding the Fourth Proportional to 39,283.12, 54,209.64 and 22,286.08

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Solution

The fourth proportional to 39,283.12, 54,209.64 and 22,286.08 is: 30,754.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,283.12 : 54,209.64 = 22,286.08 : x
  2. Step 2: Convert to fraction form
    39,283.12/54,209.64 = 22,286.08/x
  3. Step 3: Cross multiply
    39,283.12x = 54,209.64 × 22,286.08
  4. Step 4: Simplify right side
    39,283.12x = 1,208,120,373.81
  5. Step 5: Solve for x
    x = 1,208,120,373.81/39,283.12
  6. Step 6: Final answer
    x = 30,754.19

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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.