Home / 35,986.78-49,661.76-20,071.24

Finding the Fourth Proportional to 35,986.78, 49,661.76 and 20,071.24

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Solution

The fourth proportional to 35,986.78, 49,661.76 and 20,071.24 is: 27,698.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,986.78 : 49,661.76 = 20,071.24 : x
  2. Step 2: Convert to fraction form
    35,986.78/49,661.76 = 20,071.24/x
  3. Step 3: Cross multiply
    35,986.78x = 49,661.76 × 20,071.24
  4. Step 4: Simplify right side
    35,986.78x = 996,773,221.34
  5. Step 5: Solve for x
    x = 996,773,221.34/35,986.78
  6. Step 6: Final answer
    x = 27,698.32

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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.