Home / 35,805.18-49,412.79-19,889.10

Finding the Fourth Proportional to 35,805.18, 49,412.79 and 19,889.10

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Solution

The fourth proportional to 35,805.18, 49,412.79 and 19,889.10 is: 27,447.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,805.18 : 49,412.79 = 19,889.10 : x
  2. Step 2: Convert to fraction form
    35,805.18/49,412.79 = 19,889.10/x
  3. Step 3: Cross multiply
    35,805.18x = 49,412.79 × 19,889.10
  4. Step 4: Simplify right side
    35,805.18x = 982,775,921.59
  5. Step 5: Solve for x
    x = 982,775,921.59/35,805.18
  6. Step 6: Final answer
    x = 27,447.87

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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.