Home / 51,916.82-71,646.26-28,948.05

Finding the Fourth Proportional to 51,916.82, 71,646.26 and 28,948.05

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Solution

The fourth proportional to 51,916.82, 71,646.26 and 28,948.05 is: 39,948.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,916.82 : 71,646.26 = 28,948.05 : x
  2. Step 2: Convert to fraction form
    51,916.82/71,646.26 = 28,948.05/x
  3. Step 3: Cross multiply
    51,916.82x = 71,646.26 × 28,948.05
  4. Step 4: Simplify right side
    51,916.82x = 2,074,019,372.05
  5. Step 5: Solve for x
    x = 2,074,019,372.05/51,916.82
  6. Step 6: Final answer
    x = 39,948.89

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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.