Home / 55,549.90-83,338.05-18,110.22

Finding the Fourth Proportional to 55,549.90, 83,338.05 and 18,110.22

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Solution

The fourth proportional to 55,549.90, 83,338.05 and 18,110.22 is: 27,169.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,549.90 : 83,338.05 = 18,110.22 : x
  2. Step 2: Convert to fraction form
    55,549.90/83,338.05 = 18,110.22/x
  3. Step 3: Cross multiply
    55,549.90x = 83,338.05 × 18,110.22
  4. Step 4: Simplify right side
    55,549.90x = 1,509,270,419.87
  5. Step 5: Solve for x
    x = 1,509,270,419.87/55,549.90
  6. Step 6: Final answer
    x = 27,169.63

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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.