Home / 30,568.68-45,841.52-12,800.58

Finding the Fourth Proportional to 30,568.68, 45,841.52 and 12,800.58

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Solution

The fourth proportional to 30,568.68, 45,841.52 and 12,800.58 is: 19,196.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,568.68 : 45,841.52 = 12,800.58 : x
  2. Step 2: Convert to fraction form
    30,568.68/45,841.52 = 12,800.58/x
  3. Step 3: Cross multiply
    30,568.68x = 45,841.52 × 12,800.58
  4. Step 4: Simplify right side
    30,568.68x = 586,798,044.08
  5. Step 5: Solve for x
    x = 586,798,044.08/30,568.68
  6. Step 6: Final answer
    x = 19,196.05

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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.