Home / 55,439.53-83,172.38-17,996.72

Finding the Fourth Proportional to 55,439.53, 83,172.38 and 17,996.72

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Solution

The fourth proportional to 55,439.53, 83,172.38 and 17,996.72 is: 26,999.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,439.53 : 83,172.38 = 17,996.72 : x
  2. Step 2: Convert to fraction form
    55,439.53/83,172.38 = 17,996.72/x
  3. Step 3: Cross multiply
    55,439.53x = 83,172.38 × 17,996.72
  4. Step 4: Simplify right side
    55,439.53x = 1,496,829,528.75
  5. Step 5: Solve for x
    x = 1,496,829,528.75/55,439.53
  6. Step 6: Final answer
    x = 26,999.32

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1.5x scale

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.