Home / 52,172.76-71,998.40-29,511.26

Finding the Fourth Proportional to 52,172.76, 71,998.40 and 29,511.26

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Solution

The fourth proportional to 52,172.76, 71,998.40 and 29,511.26 is: 40,725.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,172.76 : 71,998.40 = 29,511.26 : x
  2. Step 2: Convert to fraction form
    52,172.76/71,998.40 = 29,511.26/x
  3. Step 3: Cross multiply
    52,172.76x = 71,998.40 × 29,511.26
  4. Step 4: Simplify right side
    52,172.76x = 2,124,763,688.26
  5. Step 5: Solve for x
    x = 2,124,763,688.26/52,172.76
  6. Step 6: Final answer
    x = 40,725.54

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1.5x scale

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.