Home / 47,454.80-71,180.40-11,916.35

Finding the Fourth Proportional to 47,454.80, 71,180.40 and 11,916.35

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Solution

The fourth proportional to 47,454.80, 71,180.40 and 11,916.35 is: 17,874.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,454.80 : 71,180.40 = 11,916.35 : x
  2. Step 2: Convert to fraction form
    47,454.80/71,180.40 = 11,916.35/x
  3. Step 3: Cross multiply
    47,454.80x = 71,180.40 × 11,916.35
  4. Step 4: Simplify right side
    47,454.80x = 848,210,515.25
  5. Step 5: Solve for x
    x = 848,210,515.25/47,454.80
  6. Step 6: Final answer
    x = 17,874.07

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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.