Home / 45,140.16-67,630.32-30,361.44

Finding the Fourth Proportional to 45,140.16, 67,630.32 and 30,361.44

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Solution

The fourth proportional to 45,140.16, 67,630.32 and 30,361.44 is: 45,488.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,140.16 : 67,630.32 = 30,361.44 : x
  2. Step 2: Convert to fraction form
    45,140.16/67,630.32 = 30,361.44/x
  3. Step 3: Cross multiply
    45,140.16x = 67,630.32 × 30,361.44
  4. Step 4: Simplify right side
    45,140.16x = 2,053,353,902.86
  5. Step 5: Solve for x
    x = 2,053,353,902.86/45,140.16
  6. Step 6: Final answer
    x = 45,488.41

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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.