Home / 35,508.80-49,004.52-20,406.38

Finding the Fourth Proportional to 35,508.80, 49,004.52 and 20,406.38

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Solution

The fourth proportional to 35,508.80, 49,004.52 and 20,406.38 is: 28,162.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,508.80 : 49,004.52 = 20,406.38 : x
  2. Step 2: Convert to fraction form
    35,508.80/49,004.52 = 20,406.38/x
  3. Step 3: Cross multiply
    35,508.80x = 49,004.52 × 20,406.38
  4. Step 4: Simplify right side
    35,508.80x = 1,000,004,856.84
  5. Step 5: Solve for x
    x = 1,000,004,856.84/35,508.80
  6. Step 6: Final answer
    x = 28,162.17

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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.