Home / 54,756.24-82,134.36-31,366.32

Finding the Fourth Proportional to 54,756.24, 82,134.36 and 31,366.32

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Solution

The fourth proportional to 54,756.24, 82,134.36 and 31,366.32 is: 47,049.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,756.24 : 82,134.36 = 31,366.32 : x
  2. Step 2: Convert to fraction form
    54,756.24/82,134.36 = 31,366.32/x
  3. Step 3: Cross multiply
    54,756.24x = 82,134.36 × 31,366.32
  4. Step 4: Simplify right side
    54,756.24x = 2,576,252,618.76
  5. Step 5: Solve for x
    x = 2,576,252,618.76/54,756.24
  6. Step 6: Final answer
    x = 47,049.48

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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.