Home / 51,289.83-76,937.99-21,703.77

Finding the Fourth Proportional to 51,289.83, 76,937.99 and 21,703.77

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Solution

The fourth proportional to 51,289.83, 76,937.99 and 21,703.77 is: 32,557.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,289.83 : 76,937.99 = 21,703.77 : x
  2. Step 2: Convert to fraction form
    51,289.83/76,937.99 = 21,703.77/x
  3. Step 3: Cross multiply
    51,289.83x = 76,937.99 × 21,703.77
  4. Step 4: Simplify right side
    51,289.83x = 1,669,844,439.22
  5. Step 5: Solve for x
    x = 1,669,844,439.22/51,289.83
  6. Step 6: Final answer
    x = 32,557.03

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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.