Home / 35,617.20-49,151.16-19,701.60

Finding the Fourth Proportional to 35,617.20, 49,151.16 and 19,701.60

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Solution

The fourth proportional to 35,617.20, 49,151.16 and 19,701.60 is: 27,187.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,617.20 : 49,151.16 = 19,701.60 : x
  2. Step 2: Convert to fraction form
    35,617.20/49,151.16 = 19,701.60/x
  3. Step 3: Cross multiply
    35,617.20x = 49,151.16 × 19,701.60
  4. Step 4: Simplify right side
    35,617.20x = 968,356,493.86
  5. Step 5: Solve for x
    x = 968,356,493.86/35,617.20
  6. Step 6: Final answer
    x = 27,187.89

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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.