Home / 35,257.05-48,651.63-20,146.71

Finding the Fourth Proportional to 35,257.05, 48,651.63 and 20,146.71

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Solution

The fourth proportional to 35,257.05, 48,651.63 and 20,146.71 is: 27,800.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,257.05 : 48,651.63 = 20,146.71 : x
  2. Step 2: Convert to fraction form
    35,257.05/48,651.63 = 20,146.71/x
  3. Step 3: Cross multiply
    35,257.05x = 48,651.63 × 20,146.71
  4. Step 4: Simplify right side
    35,257.05x = 980,170,280.64
  5. Step 5: Solve for x
    x = 980,170,280.64/35,257.05
  6. Step 6: Final answer
    x = 27,800.69

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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.