Home / 47,558.80-71,367.36-21,285.76

Finding the Fourth Proportional to 47,558.80, 71,367.36 and 21,285.76

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Solution

The fourth proportional to 47,558.80, 71,367.36 and 21,285.76 is: 31,941.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,558.80 : 71,367.36 = 21,285.76 : x
  2. Step 2: Convert to fraction form
    47,558.80/71,367.36 = 21,285.76/x
  3. Step 3: Cross multiply
    47,558.80x = 71,367.36 × 21,285.76
  4. Step 4: Simplify right side
    47,558.80x = 1,519,108,496.79
  5. Step 5: Solve for x
    x = 1,519,108,496.79/47,558.80
  6. Step 6: Final answer
    x = 31,941.69

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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.