Home / 55,187.05-82,792.92-20,126.71

Finding the Fourth Proportional to 55,187.05, 82,792.92 and 20,126.71

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Solution

The fourth proportional to 55,187.05, 82,792.92 and 20,126.71 is: 30,194.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,187.05 : 82,792.92 = 20,126.71 : x
  2. Step 2: Convert to fraction form
    55,187.05/82,792.92 = 20,126.71/x
  3. Step 3: Cross multiply
    55,187.05x = 82,792.92 × 20,126.71
  4. Step 4: Simplify right side
    55,187.05x = 1,666,349,090.89
  5. Step 5: Solve for x
    x = 1,666,349,090.89/55,187.05
  6. Step 6: Final answer
    x = 30,194.57

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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.