Home / 35,624.97-49,156.92-20,518.25

Finding the Fourth Proportional to 35,624.97, 49,156.92 and 20,518.25

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Solution

The fourth proportional to 35,624.97, 49,156.92 and 20,518.25 is: 28,311.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,624.97 : 49,156.92 = 20,518.25 : x
  2. Step 2: Convert to fraction form
    35,624.97/49,156.92 = 20,518.25/x
  3. Step 3: Cross multiply
    35,624.97x = 49,156.92 × 20,518.25
  4. Step 4: Simplify right side
    35,624.97x = 1,008,613,728.01
  5. Step 5: Solve for x
    x = 1,008,613,728.01/35,624.97
  6. Step 6: Final answer
    x = 28,311.99

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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.