Home / 55,256.88-76,251.72-31,380.24

Finding the Fourth Proportional to 55,256.88, 76,251.72 and 31,380.24

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Solution

The fourth proportional to 55,256.88, 76,251.72 and 31,380.24 is: 43,303.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,256.88 : 76,251.72 = 31,380.24 : x
  2. Step 2: Convert to fraction form
    55,256.88/76,251.72 = 31,380.24/x
  3. Step 3: Cross multiply
    55,256.88x = 76,251.72 × 31,380.24
  4. Step 4: Simplify right side
    55,256.88x = 2,392,797,274.01
  5. Step 5: Solve for x
    x = 2,392,797,274.01/55,256.88
  6. Step 6: Final answer
    x = 43,303.16

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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.