Home / 30,829.92-42,544.44-17,402.42

Finding the Fourth Proportional to 30,829.92, 42,544.44 and 17,402.42

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Solution

The fourth proportional to 30,829.92, 42,544.44 and 17,402.42 is: 24,014.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,829.92 : 42,544.44 = 17,402.42 : x
  2. Step 2: Convert to fraction form
    30,829.92/42,544.44 = 17,402.42/x
  3. Step 3: Cross multiply
    30,829.92x = 42,544.44 × 17,402.42
  4. Step 4: Simplify right side
    30,829.92x = 740,376,200.25
  5. Step 5: Solve for x
    x = 740,376,200.25/30,829.92
  6. Step 6: Final answer
    x = 24,014.86

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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.