Home / 35,922.30-49,572.86-20,817.87

Finding the Fourth Proportional to 35,922.30, 49,572.86 and 20,817.87

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Solution

The fourth proportional to 35,922.30, 49,572.86 and 20,817.87 is: 28,728.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,922.30 : 49,572.86 = 20,817.87 : x
  2. Step 2: Convert to fraction form
    35,922.30/49,572.86 = 20,817.87/x
  3. Step 3: Cross multiply
    35,922.30x = 49,572.86 × 20,817.87
  4. Step 4: Simplify right side
    35,922.30x = 1,032,001,250.92
  5. Step 5: Solve for x
    x = 1,032,001,250.92/35,922.30
  6. Step 6: Final answer
    x = 28,728.71

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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.