Home / 55,598.64-76,732.56-31,728.75

Finding the Fourth Proportional to 55,598.64, 76,732.56 and 31,728.75

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Solution

The fourth proportional to 55,598.64, 76,732.56 and 31,728.75 is: 43,789.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,598.64 : 76,732.56 = 31,728.75 : x
  2. Step 2: Convert to fraction form
    55,598.64/76,732.56 = 31,728.75/x
  3. Step 3: Cross multiply
    55,598.64x = 76,732.56 × 31,728.75
  4. Step 4: Simplify right side
    55,598.64x = 2,434,628,213.10
  5. Step 5: Solve for x
    x = 2,434,628,213.10/55,598.64
  6. Step 6: Final answer
    x = 43,789.35

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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.