Home / 30,449.52-45,677.96-11,725.20

Finding the Fourth Proportional to 30,449.52, 45,677.96 and 11,725.20

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Solution

The fourth proportional to 30,449.52, 45,677.96 and 11,725.20 is: 17,589.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,449.52 : 45,677.96 = 11,725.20 : x
  2. Step 2: Convert to fraction form
    30,449.52/45,677.96 = 11,725.20/x
  3. Step 3: Cross multiply
    30,449.52x = 45,677.96 × 11,725.20
  4. Step 4: Simplify right side
    30,449.52x = 535,583,216.59
  5. Step 5: Solve for x
    x = 535,583,216.59/30,449.52
  6. Step 6: Final answer
    x = 17,589.22

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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.