Home / 35,850.72-49,472.40-20,742.60

Finding the Fourth Proportional to 35,850.72, 49,472.40 and 20,742.60

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Solution

The fourth proportional to 35,850.72, 49,472.40 and 20,742.60 is: 28,623.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,850.72 : 49,472.40 = 20,742.60 : x
  2. Step 2: Convert to fraction form
    35,850.72/49,472.40 = 20,742.60/x
  3. Step 3: Cross multiply
    35,850.72x = 49,472.40 × 20,742.60
  4. Step 4: Simplify right side
    35,850.72x = 1,026,186,204.24
  5. Step 5: Solve for x
    x = 1,026,186,204.24/35,850.72
  6. Step 6: Final answer
    x = 28,623.87

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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.