Home / 74,884.32-112,327.20-19,480.32

Finding the Fourth Proportional to 74,884.32, 112,327.20 and 19,480.32

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Solution

The fourth proportional to 74,884.32, 112,327.20 and 19,480.32 is: 29,220.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,884.32 : 112,327.20 = 19,480.32 : x
  2. Step 2: Convert to fraction form
    74,884.32/112,327.20 = 19,480.32/x
  3. Step 3: Cross multiply
    74,884.32x = 112,327.20 × 19,480.32
  4. Step 4: Simplify right side
    74,884.32x = 2,188,169,800.70
  5. Step 5: Solve for x
    x = 2,188,169,800.70/74,884.32
  6. Step 6: Final answer
    x = 29,220.67

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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.