Home / 74,758.85-112,184.96-30,385.58

Finding the Fourth Proportional to 74,758.85, 112,184.96 and 30,385.58

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Solution

The fourth proportional to 74,758.85, 112,184.96 and 30,385.58 is: 45,597.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,758.85 : 112,184.96 = 30,385.58 : x
  2. Step 2: Convert to fraction form
    74,758.85/112,184.96 = 30,385.58/x
  3. Step 3: Cross multiply
    74,758.85x = 112,184.96 × 30,385.58
  4. Step 4: Simplify right side
    74,758.85x = 3,408,805,205.41
  5. Step 5: Solve for x
    x = 3,408,805,205.41/74,758.85
  6. Step 6: Final answer
    x = 45,597.35

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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.