Home / 35,111.12-52,684.50-20,333.48

Finding the Fourth Proportional to 35,111.12, 52,684.50 and 20,333.48

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Solution

The fourth proportional to 35,111.12, 52,684.50 and 20,333.48 is: 30,510.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,111.12 : 52,684.50 = 20,333.48 : x
  2. Step 2: Convert to fraction form
    35,111.12/52,684.50 = 20,333.48/x
  3. Step 3: Cross multiply
    35,111.12x = 52,684.50 × 20,333.48
  4. Step 4: Simplify right side
    35,111.12x = 1,071,259,227.06
  5. Step 5: Solve for x
    x = 1,071,259,227.06/35,111.12
  6. Step 6: Final answer
    x = 30,510.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.