Home / 39,289.12-54,219.36-22,522

Finding the Fourth Proportional to 39,289.12, 54,219.36 and 22,522

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Solution

The fourth proportional to 39,289.12, 54,219.36 and 22,522 is: 31,080.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,289.12 : 54,219.36 = 22,522 : x
  2. Step 2: Convert to fraction form
    39,289.12/54,219.36 = 22,522/x
  3. Step 3: Cross multiply
    39,289.12x = 54,219.36 × 22,522
  4. Step 4: Simplify right side
    39,289.12x = 1,221,128,425.92
  5. Step 5: Solve for x
    x = 1,221,128,425.92/39,289.12
  6. Step 6: Final answer
    x = 31,080.57

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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.