Home / 45,735.20-68,573.60-19,426.40

Finding the Fourth Proportional to 45,735.20, 68,573.60 and 19,426.40

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Solution

The fourth proportional to 45,735.20, 68,573.60 and 19,426.40 is: 29,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,735.20 : 68,573.60 = 19,426.40 : x
  2. Step 2: Convert to fraction form
    45,735.20/68,573.60 = 19,426.40/x
  3. Step 3: Cross multiply
    45,735.20x = 68,573.60 × 19,426.40
  4. Step 4: Simplify right side
    45,735.20x = 1,332,138,183.04
  5. Step 5: Solve for x
    x = 1,332,138,183.04/45,735.20
  6. Step 6: Final answer
    x = 29,127.20

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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.