Home / 35,042.28-52,570.35-12,855.85

Finding the Fourth Proportional to 35,042.28, 52,570.35 and 12,855.85

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Solution

The fourth proportional to 35,042.28, 52,570.35 and 12,855.85 is: 19,286.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,042.28 : 52,570.35 = 12,855.85 : x
  2. Step 2: Convert to fraction form
    35,042.28/52,570.35 = 12,855.85/x
  3. Step 3: Cross multiply
    35,042.28x = 52,570.35 × 12,855.85
  4. Step 4: Simplify right side
    35,042.28x = 675,836,534.05
  5. Step 5: Solve for x
    x = 675,836,534.05/35,042.28
  6. Step 6: Final answer
    x = 19,286.32

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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.