Home / 39,103.28-58,609.52-17,999

Finding the Fourth Proportional to 39,103.28, 58,609.52 and 17,999

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Solution

The fourth proportional to 39,103.28, 58,609.52 and 17,999 is: 26,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,103.28 : 58,609.52 = 17,999 : x
  2. Step 2: Convert to fraction form
    39,103.28/58,609.52 = 17,999/x
  3. Step 3: Cross multiply
    39,103.28x = 58,609.52 × 17,999
  4. Step 4: Simplify right side
    39,103.28x = 1,054,912,750.48
  5. Step 5: Solve for x
    x = 1,054,912,750.48/39,103.28
  6. Step 6: Final answer
    x = 26,977.60

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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.