Home / 35,457.35-48,922.55-20,140.49

Finding the Fourth Proportional to 35,457.35, 48,922.55 and 20,140.49

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Solution

The fourth proportional to 35,457.35, 48,922.55 and 20,140.49 is: 27,789.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,457.35 : 48,922.55 = 20,140.49 : x
  2. Step 2: Convert to fraction form
    35,457.35/48,922.55 = 20,140.49/x
  3. Step 3: Cross multiply
    35,457.35x = 48,922.55 × 20,140.49
  4. Step 4: Simplify right side
    35,457.35x = 985,324,129.05
  5. Step 5: Solve for x
    x = 985,324,129.05/35,457.35
  6. Step 6: Final answer
    x = 27,789.00

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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.