Home / 30,079.20-41,512.86-17,503.92

Finding the Fourth Proportional to 30,079.20, 41,512.86 and 17,503.92

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Solution

The fourth proportional to 30,079.20, 41,512.86 and 17,503.92 is: 24,157.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,079.20 : 41,512.86 = 17,503.92 : x
  2. Step 2: Convert to fraction form
    30,079.20/41,512.86 = 17,503.92/x
  3. Step 3: Cross multiply
    30,079.20x = 41,512.86 × 17,503.92
  4. Step 4: Simplify right side
    30,079.20x = 726,637,780.41
  5. Step 5: Solve for x
    x = 726,637,780.41/30,079.20
  6. Step 6: Final answer
    x = 24,157.48

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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.