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Finding the Fourth Proportional to 56,019.44, 84,005.40 and 20,934.56

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Solution

The fourth proportional to 56,019.44, 84,005.40 and 20,934.56 is: 31,392.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,019.44 : 84,005.40 = 20,934.56 : x
  2. Step 2: Convert to fraction form
    56,019.44/84,005.40 = 20,934.56/x
  3. Step 3: Cross multiply
    56,019.44x = 84,005.40 × 20,934.56
  4. Step 4: Simplify right side
    56,019.44x = 1,758,616,086.62
  5. Step 5: Solve for x
    x = 1,758,616,086.62/56,019.44
  6. Step 6: Final answer
    x = 31,392.96

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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.