Home / 74,867.80-112,204.30-30,442.76

Finding the Fourth Proportional to 74,867.80, 112,204.30 and 30,442.76

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Solution

The fourth proportional to 74,867.80, 112,204.30 and 30,442.76 is: 45,624.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,867.80 : 112,204.30 = 30,442.76 : x
  2. Step 2: Convert to fraction form
    74,867.80/112,204.30 = 30,442.76/x
  3. Step 3: Cross multiply
    74,867.80x = 112,204.30 × 30,442.76
  4. Step 4: Simplify right side
    74,867.80x = 3,415,808,575.87
  5. Step 5: Solve for x
    x = 3,415,808,575.87/74,867.80
  6. Step 6: Final answer
    x = 45,624.54

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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.