Home / 55,614.64-76,732.92-31,732.72

Finding the Fourth Proportional to 55,614.64, 76,732.92 and 31,732.72

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Solution

The fourth proportional to 55,614.64, 76,732.92 and 31,732.72 is: 43,782.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,614.64 : 76,732.92 = 31,732.72 : x
  2. Step 2: Convert to fraction form
    55,614.64/76,732.92 = 31,732.72/x
  3. Step 3: Cross multiply
    55,614.64x = 76,732.92 × 31,732.72
  4. Step 4: Simplify right side
    55,614.64x = 2,434,944,265.14
  5. Step 5: Solve for x
    x = 2,434,944,265.14/55,614.64
  6. Step 6: Final answer
    x = 43,782.43

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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.