Home / 35,686.82-49,246.50-20,580.12

Finding the Fourth Proportional to 35,686.82, 49,246.50 and 20,580.12

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Solution

The fourth proportional to 35,686.82, 49,246.50 and 20,580.12 is: 28,399.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,686.82 : 49,246.50 = 20,580.12 : x
  2. Step 2: Convert to fraction form
    35,686.82/49,246.50 = 20,580.12/x
  3. Step 3: Cross multiply
    35,686.82x = 49,246.50 × 20,580.12
  4. Step 4: Simplify right side
    35,686.82x = 1,013,498,879.58
  5. Step 5: Solve for x
    x = 1,013,498,879.58/35,686.82
  6. Step 6: Final answer
    x = 28,399.81

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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.