Home / 55,170.09-82,681.34-20,076.57

Finding the Fourth Proportional to 55,170.09, 82,681.34 and 20,076.57

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Solution

The fourth proportional to 55,170.09, 82,681.34 and 20,076.57 is: 30,088.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,170.09 : 82,681.34 = 20,076.57 : x
  2. Step 2: Convert to fraction form
    55,170.09/82,681.34 = 20,076.57/x
  3. Step 3: Cross multiply
    55,170.09x = 82,681.34 × 20,076.57
  4. Step 4: Simplify right side
    55,170.09x = 1,659,957,609.82
  5. Step 5: Solve for x
    x = 1,659,957,609.82/55,170.09
  6. Step 6: Final answer
    x = 30,088.00

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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.