Home / 55,251.32-82,885.82-21,971.66

Finding the Fourth Proportional to 55,251.32, 82,885.82 and 21,971.66

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Solution

The fourth proportional to 55,251.32, 82,885.82 and 21,971.66 is: 32,961.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,251.32 : 82,885.82 = 21,971.66 : x
  2. Step 2: Convert to fraction form
    55,251.32/82,885.82 = 21,971.66/x
  3. Step 3: Cross multiply
    55,251.32x = 82,885.82 × 21,971.66
  4. Step 4: Simplify right side
    55,251.32x = 1,821,138,531.57
  5. Step 5: Solve for x
    x = 1,821,138,531.57/55,251.32
  6. Step 6: Final answer
    x = 32,961.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.