Home / 35,501.96-48,998.45-21,163.55

Finding the Fourth Proportional to 35,501.96, 48,998.45 and 21,163.55

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Solution

The fourth proportional to 35,501.96, 48,998.45 and 21,163.55 is: 29,209.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,501.96 : 48,998.45 = 21,163.55 : x
  2. Step 2: Convert to fraction form
    35,501.96/48,998.45 = 21,163.55/x
  3. Step 3: Cross multiply
    35,501.96x = 48,998.45 × 21,163.55
  4. Step 4: Simplify right side
    35,501.96x = 1,036,980,954.41
  5. Step 5: Solve for x
    x = 1,036,980,954.41/35,501.96
  6. Step 6: Final answer
    x = 29,209.12

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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.