Home / 55,690.38-76,852.39-30,196.49

Finding the Fourth Proportional to 55,690.38, 76,852.39 and 30,196.49

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Solution

The fourth proportional to 55,690.38, 76,852.39 and 30,196.49 is: 41,670.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,690.38 : 76,852.39 = 30,196.49 : x
  2. Step 2: Convert to fraction form
    55,690.38/76,852.39 = 30,196.49/x
  3. Step 3: Cross multiply
    55,690.38x = 76,852.39 × 30,196.49
  4. Step 4: Simplify right side
    55,690.38x = 2,320,672,426.11
  5. Step 5: Solve for x
    x = 2,320,672,426.11/55,690.38
  6. Step 6: Final answer
    x = 41,670.97

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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.