Home / 52,684.82-79,027.30-21,520.08

Finding the Fourth Proportional to 52,684.82, 79,027.30 and 21,520.08

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Solution

The fourth proportional to 52,684.82, 79,027.30 and 21,520.08 is: 32,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,684.82 : 79,027.30 = 21,520.08 : x
  2. Step 2: Convert to fraction form
    52,684.82/79,027.30 = 21,520.08/x
  3. Step 3: Cross multiply
    52,684.82x = 79,027.30 × 21,520.08
  4. Step 4: Simplify right side
    52,684.82x = 1,700,673,818.18
  5. Step 5: Solve for x
    x = 1,700,673,818.18/52,684.82
  6. Step 6: Final answer
    x = 32,280.15

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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.