Home / 55,634.94-76,734.38-38,639.22

Finding the Fourth Proportional to 55,634.94, 76,734.38 and 38,639.22

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Solution

The fourth proportional to 55,634.94, 76,734.38 and 38,639.22 is: 53,293.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,634.94 : 76,734.38 = 38,639.22 : x
  2. Step 2: Convert to fraction form
    55,634.94/76,734.38 = 38,639.22/x
  3. Step 3: Cross multiply
    55,634.94x = 76,734.38 × 38,639.22
  4. Step 4: Simplify right side
    55,634.94x = 2,964,956,397.19
  5. Step 5: Solve for x
    x = 2,964,956,397.19/55,634.94
  6. Step 6: Final answer
    x = 53,293.06

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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.