Home / 35,989.36-49,666.29-20,076.91

Finding the Fourth Proportional to 35,989.36, 49,666.29 and 20,076.91

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Solution

The fourth proportional to 35,989.36, 49,666.29 and 20,076.91 is: 27,706.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,989.36 : 49,666.29 = 20,076.91 : x
  2. Step 2: Convert to fraction form
    35,989.36/49,666.29 = 20,076.91/x
  3. Step 3: Cross multiply
    35,989.36x = 49,666.29 × 20,076.91
  4. Step 4: Simplify right side
    35,989.36x = 997,145,634.36
  5. Step 5: Solve for x
    x = 997,145,634.36/35,989.36
  6. Step 6: Final answer
    x = 27,706.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.