Home / 35,218.52-52,874.70-20,438.04

Finding the Fourth Proportional to 35,218.52, 52,874.70 and 20,438.04

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Solution

The fourth proportional to 35,218.52, 52,874.70 and 20,438.04 is: 30,684.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,218.52 : 52,874.70 = 20,438.04 : x
  2. Step 2: Convert to fraction form
    35,218.52/52,874.70 = 20,438.04/x
  3. Step 3: Cross multiply
    35,218.52x = 52,874.70 × 20,438.04
  4. Step 4: Simplify right side
    35,218.52x = 1,080,655,233.59
  5. Step 5: Solve for x
    x = 1,080,655,233.59/35,218.52
  6. Step 6: Final answer
    x = 30,684.29

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1.5x scale

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.