Home / 55,588.78-83,391.81-18,661.42

Finding the Fourth Proportional to 55,588.78, 83,391.81 and 18,661.42

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Solution

The fourth proportional to 55,588.78, 83,391.81 and 18,661.42 is: 27,995.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,588.78 : 83,391.81 = 18,661.42 : x
  2. Step 2: Convert to fraction form
    55,588.78/83,391.81 = 18,661.42/x
  3. Step 3: Cross multiply
    55,588.78x = 83,391.81 × 18,661.42
  4. Step 4: Simplify right side
    55,588.78x = 1,556,209,730.20
  5. Step 5: Solve for x
    x = 1,556,209,730.20/55,588.78
  6. Step 6: Final answer
    x = 27,995.03

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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.