Home / 35,260.05-48,655.77-20,149.71

Finding the Fourth Proportional to 35,260.05, 48,655.77 and 20,149.71

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Solution

The fourth proportional to 35,260.05, 48,655.77 and 20,149.71 is: 27,804.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,260.05 : 48,655.77 = 20,149.71 : x
  2. Step 2: Convert to fraction form
    35,260.05/48,655.77 = 20,149.71/x
  3. Step 3: Cross multiply
    35,260.05x = 48,655.77 × 20,149.71
  4. Step 4: Simplify right side
    35,260.05x = 980,399,655.33
  5. Step 5: Solve for x
    x = 980,399,655.33/35,260.05
  6. Step 6: Final answer
    x = 27,804.83

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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.