Home / 30,387.92-41,928.60-17,633.72

Finding the Fourth Proportional to 30,387.92, 41,928.60 and 17,633.72

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Solution

The fourth proportional to 30,387.92, 41,928.60 and 17,633.72 is: 24,330.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,387.92 : 41,928.60 = 17,633.72 : x
  2. Step 2: Convert to fraction form
    30,387.92/41,928.60 = 17,633.72/x
  3. Step 3: Cross multiply
    30,387.92x = 41,928.60 × 17,633.72
  4. Step 4: Simplify right side
    30,387.92x = 739,357,192.39
  5. Step 5: Solve for x
    x = 739,357,192.39/30,387.92
  6. Step 6: Final answer
    x = 24,330.63

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1.5x scale

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.