Home / 49,139.64-67,739.22-38,510.82

Finding the Fourth Proportional to 49,139.64, 67,739.22 and 38,510.82

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Solution

The fourth proportional to 49,139.64, 67,739.22 and 38,510.82 is: 53,087.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,139.64 : 67,739.22 = 38,510.82 : x
  2. Step 2: Convert to fraction form
    49,139.64/67,739.22 = 38,510.82/x
  3. Step 3: Cross multiply
    49,139.64x = 67,739.22 × 38,510.82
  4. Step 4: Simplify right side
    49,139.64x = 2,608,692,908.36
  5. Step 5: Solve for x
    x = 2,608,692,908.36/49,139.64
  6. Step 6: Final answer
    x = 53,087.34

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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.