Home / 30,272.76-41,796.99-18,946.86

Finding the Fourth Proportional to 30,272.76, 41,796.99 and 18,946.86

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Solution

The fourth proportional to 30,272.76, 41,796.99 and 18,946.86 is: 26,159.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,272.76 : 41,796.99 = 18,946.86 : x
  2. Step 2: Convert to fraction form
    30,272.76/41,796.99 = 18,946.86/x
  3. Step 3: Cross multiply
    30,272.76x = 41,796.99 × 18,946.86
  4. Step 4: Simplify right side
    30,272.76x = 791,921,717.95
  5. Step 5: Solve for x
    x = 791,921,717.95/30,272.76
  6. Step 6: Final answer
    x = 26,159.55

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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.