Home / 56,065.45-84,081.67-20,996.91

Finding the Fourth Proportional to 56,065.45, 84,081.67 and 20,996.91

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Solution

The fourth proportional to 56,065.45, 84,081.67 and 20,996.91 is: 31,489.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,065.45 : 84,081.67 = 20,996.91 : x
  2. Step 2: Convert to fraction form
    56,065.45/84,081.67 = 20,996.91/x
  3. Step 3: Cross multiply
    56,065.45x = 84,081.67 × 20,996.91
  4. Step 4: Simplify right side
    56,065.45x = 1,765,454,732.25
  5. Step 5: Solve for x
    x = 1,765,454,732.25/56,065.45
  6. Step 6: Final answer
    x = 31,489.17

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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.