Home / 35,618.66-49,154.57-20,508.89

Finding the Fourth Proportional to 35,618.66, 49,154.57 and 20,508.89

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Solution

The fourth proportional to 35,618.66, 49,154.57 and 20,508.89 is: 28,302.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,618.66 : 49,154.57 = 20,508.89 : x
  2. Step 2: Convert to fraction form
    35,618.66/49,154.57 = 20,508.89/x
  3. Step 3: Cross multiply
    35,618.66x = 49,154.57 × 20,508.89
  4. Step 4: Simplify right side
    35,618.66x = 1,008,105,397.72
  5. Step 5: Solve for x
    x = 1,008,105,397.72/35,618.66
  6. Step 6: Final answer
    x = 28,302.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.