Home / 49,749.15-68,601.21-38,420.49

Finding the Fourth Proportional to 49,749.15, 68,601.21 and 38,420.49

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Solution

The fourth proportional to 49,749.15, 68,601.21 and 38,420.49 is: 52,979.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,749.15 : 68,601.21 = 38,420.49 : x
  2. Step 2: Convert to fraction form
    49,749.15/68,601.21 = 38,420.49/x
  3. Step 3: Cross multiply
    49,749.15x = 68,601.21 × 38,420.49
  4. Step 4: Simplify right side
    49,749.15x = 2,635,692,102.79
  5. Step 5: Solve for x
    x = 2,635,692,102.79/49,749.15
  6. Step 6: Final answer
    x = 52,979.64

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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.