Home / 75,026.76-112,540.25-30,653.55

Finding the Fourth Proportional to 75,026.76, 112,540.25 and 30,653.55

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Solution

The fourth proportional to 75,026.76, 112,540.25 and 30,653.55 is: 45,980.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,026.76 : 112,540.25 = 30,653.55 : x
  2. Step 2: Convert to fraction form
    75,026.76/112,540.25 = 30,653.55/x
  3. Step 3: Cross multiply
    75,026.76x = 112,540.25 × 30,653.55
  4. Step 4: Simplify right side
    75,026.76x = 3,449,758,027.12
  5. Step 5: Solve for x
    x = 3,449,758,027.12/75,026.76
  6. Step 6: Final answer
    x = 45,980.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.