Home / 35,399.57-48,861.73-21,069.45

Finding the Fourth Proportional to 35,399.57, 48,861.73 and 21,069.45

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Solution

The fourth proportional to 35,399.57, 48,861.73 and 21,069.45 is: 29,081.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,399.57 : 48,861.73 = 21,069.45 : x
  2. Step 2: Convert to fraction form
    35,399.57/48,861.73 = 21,069.45/x
  3. Step 3: Cross multiply
    35,399.57x = 48,861.73 × 21,069.45
  4. Step 4: Simplify right side
    35,399.57x = 1,029,489,803.49
  5. Step 5: Solve for x
    x = 1,029,489,803.49/35,399.57
  6. Step 6: Final answer
    x = 29,081.99

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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.