Home / 49,793.28-68,749.44-30,938.88

Finding the Fourth Proportional to 49,793.28, 68,749.44 and 30,938.88

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Solution

The fourth proportional to 49,793.28, 68,749.44 and 30,938.88 is: 42,717.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,793.28 : 68,749.44 = 30,938.88 : x
  2. Step 2: Convert to fraction form
    49,793.28/68,749.44 = 30,938.88/x
  3. Step 3: Cross multiply
    49,793.28x = 68,749.44 × 30,938.88
  4. Step 4: Simplify right side
    49,793.28x = 2,127,030,674.23
  5. Step 5: Solve for x
    x = 2,127,030,674.23/49,793.28
  6. Step 6: Final answer
    x = 42,717.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.