Home / 54,789.60-75,611.93-30,916.29

Finding the Fourth Proportional to 54,789.60, 75,611.93 and 30,916.29

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Solution

The fourth proportional to 54,789.60, 75,611.93 and 30,916.29 is: 42,665.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,789.60 : 75,611.93 = 30,916.29 : x
  2. Step 2: Convert to fraction form
    54,789.60/75,611.93 = 30,916.29/x
  3. Step 3: Cross multiply
    54,789.60x = 75,611.93 × 30,916.29
  4. Step 4: Simplify right side
    54,789.60x = 2,337,640,200.76
  5. Step 5: Solve for x
    x = 2,337,640,200.76/54,789.60
  6. Step 6: Final answer
    x = 42,665.77

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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.