Home / 51,442.58-70,992.78-30,221.66

Finding the Fourth Proportional to 51,442.58, 70,992.78 and 30,221.66

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Solution

The fourth proportional to 51,442.58, 70,992.78 and 30,221.66 is: 41,707.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,442.58 : 70,992.78 = 30,221.66 : x
  2. Step 2: Convert to fraction form
    51,442.58/70,992.78 = 30,221.66/x
  3. Step 3: Cross multiply
    51,442.58x = 70,992.78 × 30,221.66
  4. Step 4: Simplify right side
    51,442.58x = 2,145,519,659.61
  5. Step 5: Solve for x
    x = 2,145,519,659.61/51,442.58
  6. Step 6: Final answer
    x = 41,707.08

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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.