Home / 30,638.88-45,880.56-24,469.92

Finding the Fourth Proportional to 30,638.88, 45,880.56 and 24,469.92

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Solution

The fourth proportional to 30,638.88, 45,880.56 and 24,469.92 is: 36,642.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,638.88 : 45,880.56 = 24,469.92 : x
  2. Step 2: Convert to fraction form
    30,638.88/45,880.56 = 24,469.92/x
  3. Step 3: Cross multiply
    30,638.88x = 45,880.56 × 24,469.92
  4. Step 4: Simplify right side
    30,638.88x = 1,122,693,632.76
  5. Step 5: Solve for x
    x = 1,122,693,632.76/30,638.88
  6. Step 6: Final answer
    x = 36,642.78

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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.