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Finding the Fourth Proportional to 54,662.93, 82,015.05 and 21,406.76

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Solution

The fourth proportional to 54,662.93, 82,015.05 and 21,406.76 is: 32,118.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,662.93 : 82,015.05 = 21,406.76 : x
  2. Step 2: Convert to fraction form
    54,662.93/82,015.05 = 21,406.76/x
  3. Step 3: Cross multiply
    54,662.93x = 82,015.05 × 21,406.76
  4. Step 4: Simplify right side
    54,662.93x = 1,755,676,491.74
  5. Step 5: Solve for x
    x = 1,755,676,491.74/54,662.93
  6. Step 6: Final answer
    x = 32,118.23

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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.