Home / 51,332.10-76,998.15-18,051.90

Finding the Fourth Proportional to 51,332.10, 76,998.15 and 18,051.90

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Solution

The fourth proportional to 51,332.10, 76,998.15 and 18,051.90 is: 27,077.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,332.10 : 76,998.15 = 18,051.90 : x
  2. Step 2: Convert to fraction form
    51,332.10/76,998.15 = 18,051.90/x
  3. Step 3: Cross multiply
    51,332.10x = 76,998.15 × 18,051.90
  4. Step 4: Simplify right side
    51,332.10x = 1,389,962,903.99
  5. Step 5: Solve for x
    x = 1,389,962,903.99/51,332.10
  6. Step 6: Final answer
    x = 27,077.85

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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.