Home / 48,739.76-67,222.64-31,749.35

Finding the Fourth Proportional to 48,739.76, 67,222.64 and 31,749.35

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Solution

The fourth proportional to 48,739.76, 67,222.64 and 31,749.35 is: 43,789.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,739.76 : 67,222.64 = 31,749.35 : x
  2. Step 2: Convert to fraction form
    48,739.76/67,222.64 = 31,749.35/x
  3. Step 3: Cross multiply
    48,739.76x = 67,222.64 × 31,749.35
  4. Step 4: Simplify right side
    48,739.76x = 2,134,274,630.42
  5. Step 5: Solve for x
    x = 2,134,274,630.42/48,739.76
  6. Step 6: Final answer
    x = 43,789.19

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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.