Home / 39,489.58-59,225.62-11,403.52

Finding the Fourth Proportional to 39,489.58, 59,225.62 and 11,403.52

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Solution

The fourth proportional to 39,489.58, 59,225.62 and 11,403.52 is: 17,102.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,489.58 : 59,225.62 = 11,403.52 : x
  2. Step 2: Convert to fraction form
    39,489.58/59,225.62 = 11,403.52/x
  3. Step 3: Cross multiply
    39,489.58x = 59,225.62 × 11,403.52
  4. Step 4: Simplify right side
    39,489.58x = 675,380,189.04
  5. Step 5: Solve for x
    x = 675,380,189.04/39,489.58
  6. Step 6: Final answer
    x = 17,102.75

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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.