Home / 52,827.12-79,243.11-21,640.50

Finding the Fourth Proportional to 52,827.12, 79,243.11 and 21,640.50

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Solution

The fourth proportional to 52,827.12, 79,243.11 and 21,640.50 is: 32,461.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,827.12 : 79,243.11 = 21,640.50 : x
  2. Step 2: Convert to fraction form
    52,827.12/79,243.11 = 21,640.50/x
  3. Step 3: Cross multiply
    52,827.12x = 79,243.11 × 21,640.50
  4. Step 4: Simplify right side
    52,827.12x = 1,714,860,521.96
  5. Step 5: Solve for x
    x = 1,714,860,521.96/52,827.12
  6. Step 6: Final answer
    x = 32,461.75

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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.