Home / 47,916.30-71,877.93-19,439.58

Finding the Fourth Proportional to 47,916.30, 71,877.93 and 19,439.58

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Solution

The fourth proportional to 47,916.30, 71,877.93 and 19,439.58 is: 29,160.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,916.30 : 71,877.93 = 19,439.58 : x
  2. Step 2: Convert to fraction form
    47,916.30/71,877.93 = 19,439.58/x
  3. Step 3: Cross multiply
    47,916.30x = 71,877.93 × 19,439.58
  4. Step 4: Simplify right side
    47,916.30x = 1,397,276,673.27
  5. Step 5: Solve for x
    x = 1,397,276,673.27/47,916.30
  6. Step 6: Final answer
    x = 29,160.78

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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.