Home / 55,640.09-83,463.53-18,204.12

Finding the Fourth Proportional to 55,640.09, 83,463.53 and 18,204.12

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Solution

The fourth proportional to 55,640.09, 83,463.53 and 18,204.12 is: 27,307.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,640.09 : 83,463.53 = 18,204.12 : x
  2. Step 2: Convert to fraction form
    55,640.09/83,463.53 = 18,204.12/x
  3. Step 3: Cross multiply
    55,640.09x = 83,463.53 × 18,204.12
  4. Step 4: Simplify right side
    55,640.09x = 1,519,380,115.74
  5. Step 5: Solve for x
    x = 1,519,380,115.74/55,640.09
  6. Step 6: Final answer
    x = 27,307.29

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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.