Home / 35,727.45-49,306.14-20,622.90

Finding the Fourth Proportional to 35,727.45, 49,306.14 and 20,622.90

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Solution

The fourth proportional to 35,727.45, 49,306.14 and 20,622.90 is: 28,460.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,727.45 : 49,306.14 = 20,622.90 : x
  2. Step 2: Convert to fraction form
    35,727.45/49,306.14 = 20,622.90/x
  3. Step 3: Cross multiply
    35,727.45x = 49,306.14 × 20,622.90
  4. Step 4: Simplify right side
    35,727.45x = 1,016,835,594.61
  5. Step 5: Solve for x
    x = 1,016,835,594.61/35,727.45
  6. Step 6: Final answer
    x = 28,460.91

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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.