Home / 55,732.32-76,911.12-31,857.84

Finding the Fourth Proportional to 55,732.32, 76,911.12 and 31,857.84

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Solution

The fourth proportional to 55,732.32, 76,911.12 and 31,857.84 is: 43,964.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,732.32 : 76,911.12 = 31,857.84 : x
  2. Step 2: Convert to fraction form
    55,732.32/76,911.12 = 31,857.84/x
  3. Step 3: Cross multiply
    55,732.32x = 76,911.12 × 31,857.84
  4. Step 4: Simplify right side
    55,732.32x = 2,450,222,155.18
  5. Step 5: Solve for x
    x = 2,450,222,155.18/55,732.32
  6. Step 6: Final answer
    x = 43,964.12

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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.