Home / 35,655.62-49,189.30-21,500.60

Finding the Fourth Proportional to 35,655.62, 49,189.30 and 21,500.60

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Solution

The fourth proportional to 35,655.62, 49,189.30 and 21,500.60 is: 29,661.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,655.62 : 49,189.30 = 21,500.60 : x
  2. Step 2: Convert to fraction form
    35,655.62/49,189.30 = 21,500.60/x
  3. Step 3: Cross multiply
    35,655.62x = 49,189.30 × 21,500.60
  4. Step 4: Simplify right side
    35,655.62x = 1,057,599,463.58
  5. Step 5: Solve for x
    x = 1,057,599,463.58/35,655.62
  6. Step 6: Final answer
    x = 29,661.51

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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.