Home / 55,939.82-77,197.58-30,446.35

Finding the Fourth Proportional to 55,939.82, 77,197.58 and 30,446.35

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Solution

The fourth proportional to 55,939.82, 77,197.58 and 30,446.35 is: 42,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,939.82 : 77,197.58 = 30,446.35 : x
  2. Step 2: Convert to fraction form
    55,939.82/77,197.58 = 30,446.35/x
  3. Step 3: Cross multiply
    55,939.82x = 77,197.58 × 30,446.35
  4. Step 4: Simplify right side
    55,939.82x = 2,350,384,394.41
  5. Step 5: Solve for x
    x = 2,350,384,394.41/55,939.82
  6. Step 6: Final answer
    x = 42,016.30

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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.