Home / 51,212.10-76,688.55-37,992.90

Finding the Fourth Proportional to 51,212.10, 76,688.55 and 37,992.90

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Solution

The fourth proportional to 51,212.10, 76,688.55 and 37,992.90 is: 56,893.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,212.10 : 76,688.55 = 37,992.90 : x
  2. Step 2: Convert to fraction form
    51,212.10/76,688.55 = 37,992.90/x
  3. Step 3: Cross multiply
    51,212.10x = 76,688.55 × 37,992.90
  4. Step 4: Simplify right side
    51,212.10x = 2,913,620,411.30
  5. Step 5: Solve for x
    x = 2,913,620,411.30/51,212.10
  6. Step 6: Final answer
    x = 56,893.20

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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.