Home / 74,748.22-112,137.72-30,374.88

Finding the Fourth Proportional to 74,748.22, 112,137.72 and 30,374.88

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Solution

The fourth proportional to 74,748.22, 112,137.72 and 30,374.88 is: 45,568.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,748.22 : 112,137.72 = 30,374.88 : x
  2. Step 2: Convert to fraction form
    74,748.22/112,137.72 = 30,374.88/x
  3. Step 3: Cross multiply
    74,748.22x = 112,137.72 × 30,374.88
  4. Step 4: Simplify right side
    74,748.22x = 3,406,169,788.47
  5. Step 5: Solve for x
    x = 3,406,169,788.47/74,748.22
  6. Step 6: Final answer
    x = 45,568.57

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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.