Home / 55,588.19-83,400.80-18,149.78

Finding the Fourth Proportional to 55,588.19, 83,400.80 and 18,149.78

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Solution

The fourth proportional to 55,588.19, 83,400.80 and 18,149.78 is: 27,230.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,588.19 : 83,400.80 = 18,149.78 : x
  2. Step 2: Convert to fraction form
    55,588.19/83,400.80 = 18,149.78/x
  3. Step 3: Cross multiply
    55,588.19x = 83,400.80 × 18,149.78
  4. Step 4: Simplify right side
    55,588.19x = 1,513,705,664.07
  5. Step 5: Solve for x
    x = 1,513,705,664.07/55,588.19
  6. Step 6: Final answer
    x = 27,230.71

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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.