Home / 35,503.96-49,001.22-21,165.54

Finding the Fourth Proportional to 35,503.96, 49,001.22 and 21,165.54

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Solution

The fourth proportional to 35,503.96, 49,001.22 and 21,165.54 is: 29,211.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,503.96 : 49,001.22 = 21,165.54 : x
  2. Step 2: Convert to fraction form
    35,503.96/49,001.22 = 21,165.54/x
  3. Step 3: Cross multiply
    35,503.96x = 49,001.22 × 21,165.54
  4. Step 4: Simplify right side
    35,503.96x = 1,037,137,281.96
  5. Step 5: Solve for x
    x = 1,037,137,281.96/35,503.96
  6. Step 6: Final answer
    x = 29,211.88

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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.