Home / 51,462.52-71,021.40-28,801.04

Finding the Fourth Proportional to 51,462.52, 71,021.40 and 28,801.04

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Solution

The fourth proportional to 51,462.52, 71,021.40 and 28,801.04 is: 39,747.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,462.52 : 71,021.40 = 28,801.04 : x
  2. Step 2: Convert to fraction form
    51,462.52/71,021.40 = 28,801.04/x
  3. Step 3: Cross multiply
    51,462.52x = 71,021.40 × 28,801.04
  4. Step 4: Simplify right side
    51,462.52x = 2,045,490,359.81
  5. Step 5: Solve for x
    x = 2,045,490,359.81/51,462.52
  6. Step 6: Final answer
    x = 39,747.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.