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Finding the Fourth Proportional to 35,798.99, 49,401.24 and 19,884.46

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Solution

The fourth proportional to 35,798.99, 49,401.24 and 19,884.46 is: 27,439.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,798.99 : 49,401.24 = 19,884.46 : x
  2. Step 2: Convert to fraction form
    35,798.99/49,401.24 = 19,884.46/x
  3. Step 3: Cross multiply
    35,798.99x = 49,401.24 × 19,884.46
  4. Step 4: Simplify right side
    35,798.99x = 982,316,980.73
  5. Step 5: Solve for x
    x = 982,316,980.73/35,798.99
  6. Step 6: Final answer
    x = 27,439.80

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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.