Home / 55,562.02-83,351.70-18,113.38

Finding the Fourth Proportional to 55,562.02, 83,351.70 and 18,113.38

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Solution

The fourth proportional to 55,562.02, 83,351.70 and 18,113.38 is: 27,172.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,562.02 : 83,351.70 = 18,113.38 : x
  2. Step 2: Convert to fraction form
    55,562.02/83,351.70 = 18,113.38/x
  3. Step 3: Cross multiply
    55,562.02x = 83,351.70 × 18,113.38
  4. Step 4: Simplify right side
    55,562.02x = 1,509,781,015.75
  5. Step 5: Solve for x
    x = 1,509,781,015.75/55,562.02
  6. Step 6: Final answer
    x = 27,172.90

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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.