Home / 35,078.91-52,616.66-12,890.58

Finding the Fourth Proportional to 35,078.91, 52,616.66 and 12,890.58

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Solution

The fourth proportional to 35,078.91, 52,616.66 and 12,890.58 is: 19,335.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,078.91 : 52,616.66 = 12,890.58 : x
  2. Step 2: Convert to fraction form
    35,078.91/52,616.66 = 12,890.58/x
  3. Step 3: Cross multiply
    35,078.91x = 52,616.66 × 12,890.58
  4. Step 4: Simplify right side
    35,078.91x = 678,259,200.61
  5. Step 5: Solve for x
    x = 678,259,200.61/35,078.91
  6. Step 6: Final answer
    x = 19,335.24

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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.