Home / 39,530.80-59,292.96-11,449.72

Finding the Fourth Proportional to 39,530.80, 59,292.96 and 11,449.72

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Solution

The fourth proportional to 39,530.80, 59,292.96 and 11,449.72 is: 17,173.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,530.80 : 59,292.96 = 11,449.72 : x
  2. Step 2: Convert to fraction form
    39,530.80/59,292.96 = 11,449.72/x
  3. Step 3: Cross multiply
    39,530.80x = 59,292.96 × 11,449.72
  4. Step 4: Simplify right side
    39,530.80x = 678,887,789.97
  5. Step 5: Solve for x
    x = 678,887,789.97/39,530.80
  6. Step 6: Final answer
    x = 17,173.64

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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.