Home / 55,631.38-76,774.57-31,765.54

Finding the Fourth Proportional to 55,631.38, 76,774.57 and 31,765.54

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Solution

The fourth proportional to 55,631.38, 76,774.57 and 31,765.54 is: 43,838.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,631.38 : 76,774.57 = 31,765.54 : x
  2. Step 2: Convert to fraction form
    55,631.38/76,774.57 = 31,765.54/x
  3. Step 3: Cross multiply
    55,631.38x = 76,774.57 × 31,765.54
  4. Step 4: Simplify right side
    55,631.38x = 2,438,785,674.32
  5. Step 5: Solve for x
    x = 2,438,785,674.32/55,631.38
  6. Step 6: Final answer
    x = 43,838.31

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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.